Product features* brand new and high quality*Made of steel, good workmanship, high precision.*Anti-impact and hard, great wear resistant*Use it to magnetize the 6.35mm batch head*Strong magnetism prevents the screw from falling off*The batch head can be moved after being installed, which is more convenient to use*Purpose: various specifications of batch head can be used to enhance the magnetism of batch headSpecification:Material: ABS + metalColor: RedSize:28 * 17 * 15mm/1.1*0.67*0.59inch Usage Method:1. Insert the magnetic steel sleeve into the batch head for connection2. Confirm that the magnetic steel sleeve is fixed on the batch head3. Put the screw on the screwdriver head with the magnetic steel sleeve inserted4. Strong magnetism prevents screws from falling offPackage List:3*Magnetic Ring holdersNote:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.