Product Description This durable and practical drill bit extension shaft is designed for versatility, precision, and ease of use. Manufactured from strong carbon steel combined with sturdy plastic, it provides reliable performance for various drilling and screwdriving applications. Key Features: Total Size: 100 x 10 mm (4 x 0.39 inch, Length x Max Diameter) Bit Type: 1/4inch hexagon Connection Hex Shank Size: 6.35 mm (1/4 inch, 0.25 inch) Material: quality carbon steel and plastic for strength and durability Benefits and Functions: Extends reach for drilling and screwdriving in tight or hardtoaccess areas Enables easy bit changes and secure connection between drill and accessory Compatible with universal 1/4inch hex shank drills and drill bits Designed to work with drills, screwdrivers, bit holders, and other compatible tools Ideal for transferring torque efficiently without losing grip or stability Applications: 1. Home repairs – reach recessed screws inside furniture or fixtures. 2. Automotive work – extend drill or driver access to bolts and fasteners in engine compartments. 3. DIY projects – connect and swap screwdriver bits easily for varied tasks. This extension shaft delivers a dependable connection, improved accessibility, and versatility for professionals and DIY enthusiasts alike, ensuring efficient and precise results in every compatible task.