Ballista BAT String Replacement Tool Lightweight. By placing the arches onto the pulleys and applying slight pressure you can easily change the string or cables. Depending on the placement direction the device can either relax the limbs to facilitate string replacement or allow for cable replacement. With this replacement tool you can conveniently work on your crossbow wherever you are. Specifications for Ballista BAT String Replacement Tool: Manufacturer: Ballista Color: Black Weight: 0.3 lb Fabric/Material: Aluminum Finish: Gloss Features of Ballista BAT String Replacement Tool For BALLISTA BAT crossbow Not compatible with BALLISTA BAT Reverse Fast and easy to use Light weight Tool to change string and cables Allows you to work on your bow at home or in the field Package Contents: Ballista BAT String Replacement Tool Ballista BAL-AC-01: BAT String Replacement Tool Lightweight