TenPoint's Xtend Crank Handle comes in a 5 inch long configuration, but can be extended to a more user friendly length of 6-inches. When fully extended, the crank handle can decrease the cocking effort up to 45%.For use with the TenPoint Havoc RS440 and Siege RS410. TenPoint Crossbows TenPoint Xtend 6 Crank Handle Fits Havoc & Siege HCA-447