QR540 set tool, one is for cable stripper, the other is for coring, suitable for QR540 cable,Key of burglarproof lock. F59/F6 Cable Stripper,F6/F11 Crimp tool ,RG59,RG6,RG11 bulldoze and tighten up tools,QR540 set tool, one is for cable stripper, the other is for coring, suitable for QR540 cable,Key of burglarproof lock.