Complete network maintenance tools: 9-in-1 tool kit includes a crimping pliers, network cable tester, wire stripping knife, flat /cross screwdriver, stripping pliers knife, punch-down tool and RJ45 connectors. Multi-function network crimping pliers: Crimping Tool 8p + 6p + 4, RJ45 / 12/11.Handle is a special material, non-slip, comfortable to use.