Specifications: Exquisite workmanship, anti-corrosion and wear resistance. Accurately locks screws while reducing abrasion to the screw and the screwdriver head for long service life. Simply insert the screwdriver bit into the magnetic ring and the screw can be easily picked up. The magnetic pick up tool would not magnetize a screwdriver or the screw. Perfect for hexagon screwdriver bits with flat diameter 6.35mm(1/4 inch). Item Name: Magnetic Ring Material: Aluminum Alloy Features: Anti-corrosion, Wear Resistance, Easy to Use Length: 2cm/0.79" (Approx.) Hole Diameter: 0.63cm/0.25" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Magnetic Ring