Victory RIP Shok Aluminum Insert 50 gr 12 pk 1006608. Specifically engineered for use with .204 shafts these 75-grain SHOK inserts add durability and kinetic energy to every shot. Specifications for Victory RIP Shok Aluminum Insert: Manufacturer: Victory Color: Brown Additional Features: 0.204 Features of Victory RIP Shok Aluminum Insert: Designed for .204 small-diameter shafts Weight: 75 grains Improves FOC balance Increases penetration and impact energy Enhances arrow durability Compatible with 300 spine arrows Available Colors: Gray Black Package Contents: Victory RIP Shok Aluminum Insert