Black Eagle SPT Nocks Smoke 12 pk. Designed for use with Spartan arrows (no bushing required);Made from durable, impact-resistant polycarbonate;Engineered with tight tolerances for consistent accuracy;Weighs 8 grains;Sold in a 12-packtable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; } Item Category Code: 1100 Product Group Code: 1100B Product Sub Group 1: 1100B1 Inactive: No