ITEM NAME:Magnetic Ring 1/4 6.35mm Metal Strong Magnetizer Phillips Screwdriver Bits G0F1 description: 100% new high quality High quality material, sturdy and durable Replacement Metal Magnetic Screwdriver Ring High Quality Tools Accessories Color as shown Material: aluminum alloy Length: approx. 20mm / 0.79in Hole diameter: approx. 6.35mm / 0.25in Uses:Suitable for hexagonal screwdriver heads with a diameter of 6.35 mm (1/4 inch) Packing:1 * Screwdriver Ring.Material: aluminum alloy. 6.35mm / 0.25in. Length: approx. 20mm / 0.79in.