International insulated screwdriver set of 7 with injection moulded nylon 11 handles which exceed the requirements of IEC 60900 the industry standard for live line working In addition these tools meet the requirements of Category C which requires them to perform at extreme temperatures of -40°C to +70°C making them unique in this category ITL insulated tools are the toughest in the market being virtually indestructible ITL also offers the best guarantee in the market - a lifetime warranty on the tool and insulation plus a 30 day no quibble money back guarantee Contains 1 x Phillips No1 Screwdriver 1 x Phillips No2 Screwdriver 1 x 7mm 3in Terminal Screwdriver 1 x 7mm 3in Electricians Screwdriver 1 x 100mm 4in Electricians Screwdriver 1 x 100mm 4in Engineers Screwdriver 1 x Circuit Tester