Barnett Premium Rope Cocking Device Sled Style is an archery cocking aid made to reduce physical strain and get you ready to shoot faster. Easy to install, this crossbow accessory attaches to the stock of the crossbow to reduce cocking tension by 50%. Rope cocking device be adjusted to fit both the crossbow and the user and ensures bow is evenly cocked for maximum accuracy. This crossbow hunting accessory has a diamond knurl soft grip and magnet loaximck for mum comfort. Package includes RCD Instruction Manual and Rope is 50 inches in length. This RCD is not compatible with Hyper Raptor Crossbows.Barnett, The most trusted name in crossbows since 1962