Barnett Raptor Sled Style Cocking Device is a Cocking aid made for Hyper Raptor only to reduce physical strain and get you ready to shoot faster. This crossbow accessory attaches to the stock of the crossbow to reduce cocking resistance by as much as 93%. Easy to use cranking handle allows string to pull back with a small amount of force. Simply turn the cranking handle to pull the string back. Cocking Device is designed for use with Hyper Raptor Barnett Crossbow only. Cocking Handle adjusts for right or left-handed use, and package includes the crank and all installation hardware. Barnett, The most trusted name in crossbows since 1962