The Duke Body Trap Set Tool is essential if you plan on using body traps. This tool easily compresses body trap springs allowing you to set the trigger on the trap much easier and much safer. Constructed from steel, this tool will outlast the traps and will provide worry free service to any trapper. Regular Size will work for all Duke body traps. XL Size offers more leverage for larger traps, like the #330.FeaturesRegular Size Dimensions: 1"L x 0.5"W x 20.5"H