Function: A 11.6 inch flexible extension bar and a 105 degree right angle drill attachment and a 105 degree 1/4 inch right angle drill bit extension. Material: Chromium-vanadium alloy steel right angle drill bit with magnetism; Steel + rubber extension bar. Sizes Bit Flexible angle extension: 11.6 x 1/4 inch. 105 degree right angle drill bit attachment: 2.16 x 1.25 inch. Wide usage: right angle attachment is standard 1/4 inch, helps you get out of occasions when you need power but are stuck at full angles; ;flexible extension bit is universal in all directions and allows you to get into those tough spots Reviews These tools are great for light, slow speed/screwdriving drilling, like cordless drills, ratchet drivers, etc. . Flexible Extension Bar: Length: 11.8 inch Material: High Carbon Steel + Plastic Color: Black Hex Shank: 6.35mm (1/4 inch) Inner Hexagon Head: 6.35mm (1/4 inch) Can be connected to an electric drill and a manual wrench, serving as a wrench to extend where the drill