Racheting Crimper Kit w/DiesRatchet mechanism is designed to prevent the release of the connector prior to full compressionSafety crimp release helps eliminate rejected terminations due to incorrect positioningSteel body with black-oxide finish for corrosionYellow and black grips enhance comfort, visibility, and allow quick identificationThumb-screws secure die-sets for quick, easy changesYellow and black grips enhance comfort, visibility, and allow quick identificationThumb-screws secure die-sets for quick, easy changesDie Set for Non-Insulated Terminal or Open Barrel Terminal Nest Dimensions:AWG 20-18/16-14/12-10 (DIN 0.5-1/1.5-2.5/4-6 mm2) Die Set for RG58/59/62/174 Coaxial Cable & Fiber OpticNest Dimensions:0.043"/0.068"/0.100"/0.137"/0.213"/0.255" (1.09/1.73/2.54/3.48/5.41/6.48 mm)Die Set for Insulated TerminalsNest Dimensions:AWG 22-18/16-14/12-10 (DIN 0.5-1.0/1.5-2.5/4-6 mm2