A ten-piece set in a portable case contains nine insulated screwdrivers and a voltage tester. The screwdrivers include flat sizes 2.5 x 50, 3.5 x 75 and 5.5 x 150 mm and cross profiles PH0, PH1, PH2, PZ0, PZ1 and PZ2. They have chrome-vanadium steel shanks and contoured handles with a soft surface. The insulated screwdrivers are rated for work up to 1,000 V in accordance with EN 60900; this rating does not represent the range of the included voltage tester. Safety procedures must be followed during electrical work and only undamaged tools must be used.