21 CLIP Plain Battery Copper Clip - 100 21C

Heavy Duty Clip for Battery and Test Work Crimp or screw connection; copper version (21C) equipped with removable copper lug; jaw opens 1.06" (27 mm) max; clip unmarked (BU-21APN/CPN) and marked positive (BU-21APS/CPS) Material: zinc-plated steel (21A) or solid copper (21C); Spring: steel Length: 4.11" (104.4mm) Federal Spec: CID AA59466-010 (BU-21CPN) Rating: 50 Amps (21A) or 100 Amps (21C)