Stanley Fatmax Insulated Screwdriver Set 6pc Pozi and Parallel. 100 percent individually tested to 1,000 volts. Red handles ensure easy identification of VDE screwdriver. Soft grip handle. Smooth domed end for fast spinning action ï¾– speed and comfort. Chrome vanadium steel bar allows for high torque and reduces the chance of tip breakage. Handle moulded direct to bar for a virtually unbreakable bond. Highly reliable and providing an extra long life.