Description: Magnetic ring with large torque makes the screwdriver bit firmly hold the screws to prevent from slipping. High-precision coaxial shaft ensures all-around secure fitting of the bit, which can tightly hold the screws. Using high-quality metal, the screwdriver bit magnetic ring switch has high hardness and long service life. The length of the magnetic ring is 2.1cm, the width is 1.5cm, and the height is 1.5cm. And the clamping diameter is 6.35mm. Universal magnetic ring can be applied to various screwdriver bits and drill bits. Item Name: Screwdriver Bit Magnetic Ring Material: Metal Color: Blue, Purple, Gold, Red, Black Features: Non-Slip, High Hardness, Large Torque Size Details: Size: 2.1cm x 1.5cm x 1.5cm(Approx.) Clamping Diameter: 6.35mm/0.25" (Approx.) Notes: Using Instructions: 1. Insert the magnetic ring the 6.35mm bit. 2. Confirm that the magnetic ring has been fixed on the bit. 3. Put the screw on the bit with the magnetic ring inserted. 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 Screwdriver Bit Magnetic Ring