Expert Quality, VDE screwdriver set individually tested to 10,000V AC or 1500V DC live line working. The screwdriver blades are manufactured from chrome vanadium steel, which is hardened and tempered with black finish. Fully insulated ergonomic soft grip handles with deep set blade sheath for total safety. Supplied complete in a two tone 1/2 drawer EVA insert tray made from closed cell foam. Suitable to be used in Draper and Draper Expert tool chests and other manufacturers similar tool chests.