These 200 spine shafts feature a micro diameter of 0.166 inches, enabling maximum penetration and a decreased effect from wind. Crafted from 100% high-modulus carbon fiber, these shafts promise exceptional durability and an extreme front-of-center for pinpoint precision. The VAP Sport Shafts set includes a dozen, each with a straightness tolerance of +/- 0.006", providing a balance between performance and value. They are equipped with SHOK TL aluminum inserts and are compatible with various broadhead adaptors, making them a versatile choice for hunters and competitive archers alike.