Wera Tools - 454/10 HF Set Imperial 1 screwdiver set T-handle screwdrivers Hex-Plus with holding function, ImperialT handle screwdriver: The ideal handle shape allows the transmission of particularly high tightening and loosening moments. The ergonomic shape of the handle fills the ball of the hand well, the fingers lie securely in the softly rounded recessed grips. The whole hand comes into contact with the handle and friction losses between hand and handle are avoided. With holding function to hold the hexagonal socket screw securely on the tool. Special surface