TenPoint XTEND Adjustable Crank Handle, Short Extends from 5" to 6" Reduces cranking effort by 45% over original handle when fully extended Torque control mechanism makes over-cranking impossible and significantly lessens the chance of cocking damage Includes parts to convert from a square drive to a hex drive for ACUdraw and ACUdraw PRO units Compatible with the TenPoint Siege RS410 and Havoc RS440