{"product_id":"asta-sigal-sub-evolution-filettata-tacche","title":"Evolution Threaded Notched Shaft","description":"\u003ch2\u003eSigal Sub Evolution Threaded Shaft with Notches in Sandvik Steel\u003c\/h2\u003e\n\u003cp\u003eThe Evolution Threaded Shaft with Notches, manufactured by Sigal Sub, is made from \u003cstrong\u003eSwedish Sandvik steel\u003c\/strong\u003e heat-treated to improve its mechanical properties, ensuring the \u003cstrong\u003estrength\u003c\/strong\u003e and \u003cstrong\u003estiffness\u003c\/strong\u003e required for spearfishing and use with band-powered spearguns.\u003c\/p\u003e\n\u003cp\u003eDesigned for spearguns with both closed and open muzzles, this shaft delivers high \u003cstrong\u003eshot accuracy\u003c\/strong\u003e thanks to its excellent \u003cstrong\u003eelastic recovery\u003c\/strong\u003e, maintaining a \u003cstrong\u003estable, clean trajectory\u003c\/strong\u003e and reducing shaft wobble in the water.\u003c\/p\u003e\n\u003ch3\u003eMain Technical Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e heat-treated Sandvik steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e threaded for use with prongs and spear tips\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread:\u003c\/strong\u003e M7 (7 mm)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable diameters:\u003c\/strong\u003e 6.5 mm and 7.0 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable lengths:\u003c\/strong\u003e from 50 to 115 cm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eNew-Generation Loading Notches\u003c\/h3\u003e\n\u003cp\u003eThe notches are not simply milled, but produced using an innovative technique that creates a \u003cstrong\u003erounded seat\u003c\/strong\u003e free of sharp corners and cutting edges. This design significantly reduces the risk of damaging \u003cstrong\u003eDyneema wishbones\u003c\/strong\u003e, promoting longer service life while maintaining consistent engagement efficiency during underwater activity.\u003c\/p\u003e\n\u003ch3\u003eRecommended Applications\u003c\/h3\u003e\n\u003cp\u003eSuitable for use with spearguns with both closed and open muzzles, the Sigal Sub Evolution Threaded Shaft is a technical choice for freedivers and spearfishers who require a reliable, durable, high-performance shaft for their dives.\u003c\/p\u003e","brand":"Sigal Sub","offers":[{"title":"6.50 mm \/ 50 cm","offer_id":56925793157465,"sku":"64-F650\/050","price":19.0,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 65 cm","offer_id":56925793190233,"sku":"64-F650\/065","price":19.6,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 70 cm","offer_id":56925793223001,"sku":"64-F650\/69.5","price":20.0,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 75 cm","offer_id":56925793255769,"sku":"64-F650\/075","price":20.4,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 80 cm","offer_id":56925793288537,"sku":"64-F650\/79.5","price":20.7,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 90 cm","offer_id":56925793321305,"sku":"64-F650\/090","price":21.2,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 105 cm","offer_id":56925793091929,"sku":"64-F650\/105","price":22.1,"currency_code":"EUR","in_stock":true},{"title":"6.50 mm \/ 115 cm","offer_id":56925793124697,"sku":"64-F650\/115","price":22.6,"currency_code":"EUR","in_stock":true},{"title":"7.00 mm \/ 65 cm","offer_id":56925792993625,"sku":"93-F700\/065","price":20.6,"currency_code":"EUR","in_stock":true},{"title":"7.00 mm \/ 75 cm","offer_id":56925793026393,"sku":"93-F700\/075","price":21.5,"currency_code":"EUR","in_stock":true},{"title":"7.00 mm \/ 90 cm","offer_id":56925793059161,"sku":"93-F700\/090","price":22.5,"currency_code":"EUR","in_stock":true},{"title":"7.00 mm \/ 105 cm","offer_id":56925792928089,"sku":"93-F700\/105","price":23.4,"currency_code":"EUR","in_stock":true},{"title":"7.00 mm \/ 115 cm","offer_id":56925792960857,"sku":"93-F700\/115","price":24.4,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0993\/6732\/1945\/files\/Asta_Evolution_Tacche_Filettata.png?v=1782073452","url":"https:\/\/deepbluesub.com\/en\/products\/sigal-sub-evolution-threaded-notched-shaft","provider":"DEEP BLUE - Freediving \u0026 Spearfishing","version":"1.0","type":"link"}