Bit Head Magnetic Ring Metal Screwdriver Head Fixed Magnetic Ring Plus Magnet Universal Steel Coil Sleeve Product type: Screwdriver magnetic ring material: metal Size: about 21x12x15x7mm Color: Purple / Orange / Blue Weight: about 7g Package includes: 1PCS * Screwdriver magnetic ring Features: Screwdriver Bits Magnetic Ring can accurately lock screws,reduce abrasion to the the screw and the screwdriver head, extend service life span. Usage: 1. Insert the magnetic steel sleeve into the 6.35mm screwdriver set head for connection 2. Make sure the magnetic steel sleeve is fixed on the screwdriver set head 3. Place the screw into the screwdriver set head where the magnetic steel sleeve has been installed 4. Strong magnetism prevents the screws from falling off Note: 1. Due to manual measurement, allow slight deviations. 2. Due to the differences between different monitors, the pictures may not reflect the actual colors of the product.