Easyturn 1PCS Ring Screwdriver Bits Anti-corrosion Universal Magnetic Ring Alloy TH

How to use it: 1. Insert the magnetic steel sleeve into the batch head for connection. 2. Confirm that the magnetic steel sleeve has been fixed to the batch head. 3. Place the screw on the head of the magnetic steel sleeve. 4. Strong magnetism prevents screws from falling off. package include:1pcs