Features: Total Size: 60 x 10mm. Diameter: Bit Type: 6.35mm. Material: This rod is made of high-quality carbon steel and plastic, which makes it practical and durable. Design: Powerful magnet holds bits securely, and the magnet is located inside the chrome-plated tube. Widely Used: Suitable for pneumatic screwdrivers, electric drills, electric screwdrivers, screwdrivers. Package Includes: 10 x 6.35mm Hex Magnetic Extension Rods.