Individually tested for use on electrical components up to 1000V AC. Features an ergonomic, soft-grip handle with roll-off protection for optimum balance of torque and control. Torque values can be easily adjusted and read with the help of the setter and window scale. Creates an audible and perceptible click when the required torque is achieved. Slimbits have integrated insulation which reduces blade diameter for unhindered, fully-insulated access to recessed screws. Includes an additional VDE screwdriver handle for use with the interchangeable Slimbits. Supplied with individual factory calibration certificate.