One hand crimper makes crimping job much easier and faster. Ram holds position when trigger is released to allow the operator to check alignment prior to crimping. High speed pump completes a crimp in approximately 2 seconds. Permanent BG(5/8") and D3 grooves, the 3D groove accepts all W-Type dies. 18V Li-ion battery and 30 minutes fast charger. Code conductor connectors: #6 - 4/0 stranded copper & aluminum.