Power Drill Sockets Adapter Sets Hex Square Socket Wrench Power Extension Adapter Bit Set for Drills 3pcs 1/4" 3/8" 1/2" Bits Nut Driver Chrome Vanadium Steel_x005f_x000D_ Our 3-Piece Power Extension Bit Set for Drills is a great way to add versatility to your power drills. This 3-piece power extension socket adaptor has a Hex bit for all power drill chucks. Unlimited uses in automotive, hardware, hobby, workshop, warehouse, garage and home. Features of our 3-Piece Power Extension Bit Set for Drills: (1) Driver sizes (inches): 1/4" 3/8" 1/2" (2) Average total length: 2 inches / Metric 50 mm (3) Driver width: 1/4-inch (4) Chrome vanadium steel (5) Heat-treated steel (6) Ball-bearing lock (7) Turns any power drill into a power nut driver Package: 1 x Set of Power Extension Bit Set for Drills include 1/4" 3/8" 1/2" Driver sizes Note: 1. Can't be used on steel, iron, stone and hard things 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, Thank you._x005f_x000D_ _x005f_x000D_ - Power extension bar sizes (inch): 1/4" Hex by 1/4"; 1/4" Hex by 3/8"; 1/4" Hex by 1/2"_x005f_x000D_ - Chrome vanadium steel suitable for heavy duty impact drivers and turns any power drill into a power nut driver_x005f_x000D_ - This 3 piece Hex Shank Bit Driver Extension Bar Set is designed to meet a variety of needs. Fits snugly and securely in your drill chuck or hand held driver. Consisting of your common bit sizes 1/4", 3/8", and 1/3" changing shank sizes. Provides versatility and convenience no matter which tool you chose to use. Great for DIY, carving, woodworking, electronic assembling, tool-making, model making, household maintenance, and most general repairs, not for industrial work_x005f_x000D_ - This adapter set is designed to provide a securely locked in extension to your existing tool. Provides additional length to reach into a multitude of hard to reach spaces. Spring ball-bearing lock ensures a tight fit into the driver head to prevent slipping during use. Specifically machined to fit securely into a hand held driver, drill driver or impact wrench_x005f_x000D_ - Suitable for pneumatic screwdriver, electric screwdriver, pneumatic drill, manual screwdriver and other installation for the hexagonal tool and use can be installed on the size of the original hexagonal polygons converted to square head size, which can be used to install the sleeve is a good accessory to convert_x005f_x000D_ - _x005f_x000D_ - _x005f_x000D_ - _x005f_x000D_ - Brand: Walfront_x005f_x000D_ - Material: Chrome Vanadium Steel_x005f_x000D_ - Drive System: Square_x005f_x000D_ - Finish Type: Chrome Vanadium_x005f_x000D_ - :