Teng tools insulated pliers are all produced and tested according to the en60900 standard and approved for live working to protect the user from currents of up to 1000 volts the pliers heads are made from chrome vanadium steel with titanium coated joints for extra strength the tenttv440 4 piece mega bite insulated plier set contains the following1 x 6 in side cutters capacity 05mm piano wire 1 x 7 inch combination pliers capacity 20mm piano wire 1 x 8 inch long nose pliers 1 x 7 inch wire st