Features:*Exquisite workmanship, corrosion resistance and wear resistance.*The screw padlock provides an accurate lock screwdriver for longer service life by reducing wear on the screw and head.*Simply insert the screwdriver tip into the magnetic ring to remove the screw easily.*A magnetic screwdriver does not magnetize a screwdriver or screw.*Ideal for a 6.35mm flat head hexagon screwdriver.*Magnetic rings only in diameter (1/4 inch), not including other accessories in the picture!Specifications:Product name: Magnetic RingMaterial: AlloyColor: BlueLength: 21 mmSize: 6.35 mmSuitable for: 6.35mm flat head hexagon screwdriverQuantity: 5PcsPackage Includes:5 Magnetic RingNotes:1.Transition: 1cm=10mm=0.39inch.2. 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.3. Please allow slight manual measurement deviation for the data.