The britool insulated screwdrivers have a bi material ergonomic comfortable and effective handle each product is tested to 10000 volts designated with a blue bit colour code and incorporating a round burnished blade with insulation in orange pvc the brie160910b 6 piece set of 1000v insulated screwdrivers includes 4 x slotted screwdivers 25 x 50 35 x 75 4 x 100 and 55 x 150mm 2 x phillips screwdrivers ph1 x 100 and ph2 x 125 en 60900