The Wera 05024167001 967 L TORX HF BlackLaser L-Key w/ Holding Function is a high quality Wera L-key for recessed TORX® screws. The BlackLaser surface treatment provides outstanding corrosion protection and a long service life. With holding function on the long arm: The clamping force resulting from the surface pressure between the output tip and the screw profile holds the screws securely on the tool. Laser-engraved and thereby wear-resistant size markings.