{"product_id":"aerotech-steelfiber-iron-shafts-370-parallel-tip","title":"Aerotech Steelfiber Iron Shafts .370 (Parallel Tip)","description":"\u003cstyle\u003e\n.ggfs,.ggfs *{box-sizing:border-box}.ggfs{--n:#081b2c;--b:#0877be;--s:#edf7fc;--g:#68b342;--i:#19252f;--m:#5c6974;--l:#dce4e9;max-width:1180px;margin:0 auto;color:var(--i);font-family:inherit;line-height:1.65}.ggfs h2,.ggfs h3,.ggfs p{margin-top:0}.ggfs h2,.ggfs h3{color:var(--n);line-height:1.18}.ggfs h2{margin-bottom:14px;font-size:clamp(29px,4vw,48px);letter-spacing:-.03em}.ggfs h3{margin-bottom:8px;font-size:20px}.ggfs__hero{display:grid;min-height:450px;margin:22px 0 16px;overflow:hidden;border-radius:22px;background:var(--n);grid-template-columns:1.05fr .95fr}.ggfs__copy{display:flex;padding:clamp(32px,6vw,66px);flex-direction:column;justify-content:center;color:#fff}.ggfs__copy h2{color:#fff}.ggfs__copy p{color:rgba(255,255,255,.82);font-size:17px}.ggfs__media{min-height:450px;background:#fff}.ggfs__media 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td{padding-top:4px}}\n\u003c\/style\u003e\u003cdiv class=\"ggfs\"\u003e\n\u003csection class=\"ggfs__hero\"\u003e\u003cdiv class=\"ggfs__copy\"\u003e\n\u003cp class=\"ggfs__eyebrow\"\u003eThe graphite iron shaft that plays with steel-like stability\u003c\/p\u003e\n\u003cspan class=\"ggfs__brand\"\u003eAerotech Steelfiber · Golf Shafts\u003c\/span\u003e\u003ch2\u003eAerotech Steelfiber Iron Shafts .370 (Parallel Tip)\u003c\/h2\u003e\n\u003cp\u003eSteelfiber is one of the most successful iron shaft profiles in professional golf. Its graphite composite core dampens vibration, and more than 59 miles of Steelfiber wound over the shaft stabilize it on off-center hits. This parallel-tip version fits .370\" iron heads and is trimmed at the tip and butt to your specs, in weights from 55g to 125g.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ggfs__media\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0731\/4063\/3771\/files\/sf_i55_45_30740881-bf4d-42d3-bde9-e21b10ca2e68.png?v=1777919562\" alt=\"Aerotech Steelfiber Iron Shafts .370 (Parallel Tip)\" loading=\"lazy\"\u003e\u003c\/div\u003e\u003c\/section\u003e\u003cdiv class=\"ggfs__trust\"\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eAerotech Steelfiber\u003c\/strong\u003e\u003cspan\u003eGraphite core, steel-like stability\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eReal product details\u003c\/strong\u003e\u003cspan\u003eSpecs from Aerotech \/ True Temper\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGrater Golf support\u003c\/strong\u003e\u003cspan\u003eFitting and build help\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003csection\u003e\u003cdiv class=\"ggfs__head\"\u003e\n\u003cp class=\"ggfs__eyebrow\"\u003eWhy golfers choose it\u003c\/p\u003e\n\u003ch2\u003eGraphite comfort, and more.\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ggfs__cards\"\u003e\n\u003carticle class=\"ggfs__card\"\u003e\u003cb\u003e1\u003c\/b\u003e\u003ch3\u003eGraphite comfort\u003c\/h3\u003e\n\u003cp\u003eThe composite core dampens harsh vibration on mishits, easing strain on hands and elbows.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"ggfs__card\"\u003e\u003cb\u003e2\u003c\/b\u003e\u003ch3\u003eSteel-like stability\u003c\/h3\u003e\n\u003cp\u003eThe Steelfiber outer mesh resists twisting on off-center strikes for tighter dispersion.\u003c\/p\u003e\u003c\/article\u003e\u003carticle class=\"ggfs__card\"\u003e\u003cb\u003e3\u003c\/b\u003e\u003ch3\u003eWeight for every player\u003c\/h3\u003e\n\u003cp\u003eSix weights from 55g to 125g let fitters match everyone from moderate swingers to tour speeds.\u003c\/p\u003e\u003c\/article\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ggfs__data\"\u003e\u003cp class=\"ggfs__eyebrow\"\u003eProduct details\u003c\/p\u003e\n\u003ch2\u003eSpecs at a glance\u003c\/h2\u003e\n\u003ctable class=\"ggfs__specs\" style=\"background:#fff;color:#19252f\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eAerotech\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd\u003eSteelfiber (Parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eProduct type\u003c\/th\u003e\n\u003ctd\u003eGraphite iron shaft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTip diameter\u003c\/th\u003e\n\u003ctd\u003e0.370\" (parallel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eButt diameter\u003c\/th\u003e\n\u003ctd\u003e0.600\" (0.602\" on some 110g models)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eRaw length\u003c\/th\u003e\n\u003ctd\u003e41\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeights\u003c\/th\u003e\n\u003ctd\u003e55g, 70g, 80g, 95g, 110g, 125g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFlexes\u003c\/th\u003e\n\u003ctd\u003eAmateur, Regular, Stiff, X-Stiff (varies by weight)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTorque\u003c\/th\u003e\n\u003ctd\u003e1.8 to 5.1 depending on weight and flex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eInstallation\u003c\/th\u003e\n\u003ctd\u003eTip and butt trim to length\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"ggfs__section\"\u003e\u003cdiv class=\"ggfs__split\"\u003e\n\u003cdiv class=\"ggfs__panel\"\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eTour-proven Steelfiber profile\u003c\/li\u003e\n\u003cli\u003eGraphite composite core for vibration damping\u003c\/li\u003e\n\u003cli\u003e59+ miles of Steelfiber outer mesh\u003c\/li\u003e\n\u003cli\u003eParallel tip for .370\" iron heads\u003c\/li\u003e\n\u003cli\u003eSix weight classes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ggfs__panel\"\u003e\n\u003ch2\u003eChoosing weight and flex\u003c\/h2\u003e\n\u003cp\u003eWeight classes set the overall feel, and not every flex is offered at every weight. For example, 55g comes in Amateur and Regular, while 125g is Stiff. If you're moving from steel, many players start one or two weight classes lighter than their current shafts. We're happy to help narrow it down.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/section\u003e\u003csection class=\"ggfs__section\"\u003e\u003cdiv class=\"ggfs__head\"\u003e\n\u003cp class=\"ggfs__eyebrow\"\u003eProduct questions\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdetails\u003e\u003csummary\u003eWill these fit my irons?\u003c\/summary\u003e\u003cdiv\u003eThey fit .370\" parallel-tip iron heads. For .355\" taper-tip heads, look at Steelfiber CW.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDo they need trimming?\u003c\/summary\u003e\u003cdiv\u003eYes. Parallel-tip Steelfiber is tip and butt trimmed to length for each club.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan Grater Golf install these for me?\u003c\/summary\u003e\u003cdiv\u003eYes. Our custom club services cover trimming, installation, grips and build specs. Tell us your heads and target length and we'll handle the build.\u003c\/div\u003e\u003c\/details\u003e\u003c\/section\u003e\u003csection class=\"ggfs__support\"\u003e\u003cp class=\"ggfs__eyebrow\"\u003eGrater Golf support\u003c\/p\u003e\n\u003ch2\u003eNeed help choosing a shaft?\u003c\/h2\u003e\n\u003cp\u003eTell us your swing speed, current shafts and club heads, and we’ll help you choose the right weight, flex and build.\u003c\/p\u003e\n\u003ca class=\"ggfs__button\" href=\"mailto:sales@gratergolf.com?subject=Shaft%20question%3A%20Aerotech%20Steelfiber%20Iron%20Shafts%20.370%20%28Parallel%20Tip%29\"\u003eAsk Grater Golf\u003c\/a\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"Aerotech","offers":[{"title":"0.370\" \/ Amateur \/ 55g","offer_id":67824781721751,"sku":"ATSFI55*A","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Amateur \/ 70g","offer_id":67824781754519,"sku":"ATSFI70*A","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Regular \/ 55g","offer_id":67824781787287,"sku":"ATSFI55*R","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Regular \/ 70g","offer_id":67824781820055,"sku":"ATSFI70*R","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Regular \/ 80g","offer_id":67824781852823,"sku":"ATSFI80*R","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Regular \/ 95g","offer_id":67824781885591,"sku":"ATSFI95*R","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Regular \/ 110g","offer_id":67824781918359,"sku":"ATSFI110*R","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Stiff \/ 70g","offer_id":67824781951127,"sku":"ATSFI70*S","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Stiff \/ 80g","offer_id":67824781983895,"sku":"ATSFI80*S","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Stiff \/ 95g","offer_id":67824782016663,"sku":"ATSFI95*S","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Stiff \/ 110g","offer_id":67824782049431,"sku":"ATSFI110*S","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Stiff \/ 125g","offer_id":67824782082199,"sku":"ATSFI125*S","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Xstiff \/ 80g","offer_id":67824782114967,"sku":"ATSFI80*X","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Xstiff \/ 95g","offer_id":67824782147735,"sku":"ATSFI95*X","price":55.0,"currency_code":"USD","in_stock":true},{"title":"0.370\" \/ Xstiff \/ 110g","offer_id":67824782180503,"sku":"ATSFI110*X","price":55.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0672\/3341\/5319\/files\/sf_i55_45_30740881-bf4d-42d3-bde9-e21b10ca2e68.png?v=1790712292","url":"https:\/\/gratergolf.com\/products\/aerotech-steelfiber-iron-shafts-370-parallel-tip","provider":"Grater Golf","version":"1.0","type":"link"}