Stainless steel and aluminum construction adds increased F.O.C. to arrow build Improved impact protection sleeve strengthens arrow tip from fracturing increasing impact resilience and durability Patent pending taper lock machining improves strength and concentricity Shok™ TL adaptor accepts standard 5/16” broadheads with 8-32 thread allowing you to continue using your favorite broadhead for trusted performance Weight: 75 grains Sold in a pack of 12 Fitment: Satin Gray- ACISHOKRL Xtorsion 300 & 350 spine | RIP SS 350 spine Satin Green- ACISHOKRM Xtorsion 400 spine | RIP TKO 250, 300, 350, & 400 spine | RIP 300 & 350 spine | RIP SS 400 spine | RIP XV 250 spine Satin Brown- ACISHOKRS RIP 400 & 500 spine | RIP XV 300, 350, 400, & 500 spine Satin Black- ACISHOKRXL Xtorsion 250 spine | RIP 250 spine | RIP SS 300 spine Satin Blood- Rip SS 250 spine