Including cable tester / cable crimper / wire stripper / punch-down tool / screwdrivers crystal connectors, LAN network repair cable tester crisper hand tool kit cat 5 / RJ45 / RJ11 / RJ12, 19cm screwdriver length, used to crimp 4 p / 6 p / 8 p crystal connector cable crimper, designed for use with telephone line / alarm cable / computer cable / intercom line / speaker wire.