Function: One 11.6 inch flexible extension bar and one 105 degree right angle drill bit attachment and one 105 degree 1/4 inch right angle drill bit extension. Material: Chrome vanadium alloy steel right angle drill bit with magnetism; Steel + rubber extension bar. Bit Sizes Flexible angle extension bit: 11.6 x 1/4 inch. 105 degree right angle drill bit attachment: 2.16 x 1.25 inch. Wide Use: The right angle attachment is standard 1/4", helps you out of occasions when you need power but are stuck at full angles; The flexible extension bit is universal in all directions and allows you to get into those difficult places Reviews These tools are ideal for light, slow speed/screwdriving drilling, such as 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 Hex Head: 6.35mm (1/4 inch) Can be connected to an electric drill and a manual wrench, serving as a wrench to extend