Enterest Ethernet Network Tester kit includs 3-in-1 Modular Crimper,Cable Tester,Cutter,5M Cat5 Network Cable,With 70Pcs RJ45 RJ-45 CAT5 Modular Plugs Portable,lightweight,with a perfect shape. Easy to carry.It won't damage the shelled-wire and works efficiently. The mouth of the press-pliers is made of magnanis steel, which is hard and durable. The mouth of the press-pliers is made of magnanis steel, which is hard and durable.While using press-pliers, just insert the cystal top into its position and press it .Works for 4,6,8 poles mudular connector Handy Small Tool for light use,When connecting network or telephone cable into face plates and network modules,the punch down tool makes it much easier. It pushes in the wire without any difficulty. it can also cut/strip wires. Comes with a 5M Cat5 Networking Cable Package contents:1 x Network Crimper,1 x Cable Tester,2 x Wire Stripper,1 x 5M Networking cord,70 x RJ45 RJ-45 CAT5 Modular Plugs(approx.)