Features: The 60mm fast release auto locking bit features 2 second bit swapping technology, boosting work efficiency by 50% compared to traditional tools while maintaining secure magnetic retention for slip less operations. Crafted from lightweight aluminum alloy and hardened carbon steel, this hexagonal shank bit weighs only 35g yet delivers industrial durability with 50% enhanced wear resistance for prolonged heavy duty use. Ideal for professional mechanics, construction crews, and diyer enthusiasts requiring reliabled precise tools for extended tasks without hand fatigue. Perfectly adapts to automotive repairs, household maintenance, and industrial assembly scenarios, securely fitting all 6.35mm (1/4") chucks tools to tackle diverse screw types effortlessly. Engineered with universally compatibility across power drills and manual driver, its 60mm length optimizes accessibility in tight spaces while the corrosions resistant finish ensures long term performances in demanding environments. Specifications: Component: aluminum alloy + carbon steel Size: 60mm (bit length) Hexagonal handle, adapts to standard 6.35mm (1/4 inch) connector Technical parameters: Each weighs 35g, wear resistance increased by 50% Package Includes: 1pcs/2pcs Magnetic hexagonal Shank Driver Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.