Barnett Thump 3-Pack De-Cocking System - This complete de-cocking system includes one arrow and three safety arrow heads that can be interchanged for extended use. The impact breaking system slows the arrow after discharge, for a safe way to unload your crossbow that eliminates unnecessary wear and tear to your equipment. FEATURES Unique Impact Breaking System Reusable Design Safety Arrow Head Fits Any Quiver SPECS Dimensions: 1.50in x 4.25in x 27.25in Length: 1.5in Height: 27.25in Product Weight: 0.25 lbs