Each Fatmax VDE insulated screwdriver is individually tested & guaranteed to 10000 volts. The soft grip handle gives the perfect combination of great grip plus reduced fatigue & its large diameter offers greater torque needed for driving wood screws. The handle is moulded direct to bar giving a virtually unbreakable bond. The heavy duty plastic sheath running the length of the bar protects the user from live current. Colour coded ends for easy identification of the right screwdriver for each screw type with a smooth domed end for fast spinning action, speed & comfort.6 Piece Set. Parallel: 2.5 mm. x 50 mm, 3.5 mm. x 75mm, 5.5 mm. x 150 mm. Pozidriv: PZ1 x 100 mm, PZ2 x 125 mm. Voltage tester.