HIGH QUALITY-This drill bit extension set is made of sturdy industrial grade chrome vanadium steel, durable, resistant to high pressure; An excellent surface coating provides additional protection against damage from elements and substances such as oil and fluids that may come into contact with the extension bars during use. &nbsp ;CONVENIENT AND PRACTICAL-Ergonomic ABS handle does not heat up during use, allows closer access with your current impact screwdriver, with increased gear strength.Compact 3.5cm profile at one real 90 degree angle to drill or screwdriver gets into confined spaces. PROFESSIONAL -This 90 degree angle extension is applied to all electric drills and socket wrenches, making it possible to extend where the drill can't reach. Built-in strong magnet for good holding power, accepts all 1/4" standard hex bits. Quick and easy screwdriver bit change. WIDE APPLICATION ANGLE DRILL DRIVER-Can be connected to drill, rechargeable drill or hand wrench, extending their reach to inaccessible stenosis, twist screws, nut and more. Descriptions: This 90 degree angle extension applies to all power drills and socket wrenches, making it easy to reach where the drill cannot reach. ABS handle does not heat up during use, allows closer access with your current impact driver, with increased gear force. Features: < p>This 90 degree angle extension applies to all electric drills and socket wrenches, making it easy to reach where the drill can't reach. Built-in strong magnet for secure hold, accepts all standard 1/4" hex shank drill bits. Compact 1.5" profile at true 90 degree angle from drill or driver in confined spaces. Ergonomic handle made of ABS does not heat up during use, allows closer access with your current impact driver, with increased transmission force. Quick and easy screwdriver bit change. Features: Material: iron and aluminum Applicable scope: any electric drill and socket wrench. Size: 158 * 35mm /6.22 x 1.38inch < p>Shank Type: 1/4"(6.35mm) Color Yellow Weight: 254g Package Included: 1 x 90 degree corner extension