LUOWEI LW-331 Slip Tooth Drill Bit Set for Screw Loose

Features: -Slip tooth drill bit set, tungsten steel alloy, excellent performance screws are easily removed with a simple tap and twist -High hardness alloy drill bit: anti-breakage, wear-resistant and non-slip, rock-solid when drilling hard materials -Sliding screw quick removal, do not worry about screw stripping even beginners can easily use it -Non-magnetic treatment on the head, drilling precision parts without attracting scraps or scratching the workpiece