Content: 3 adapter drill bits: 2 adapter angle screws, 1 flexible screwdriver extension. ApplicationThe right angle bit is a standard 1/4", access to the finish in tight areas without the problem of the shadow of the drill. Angled extension for greater accessibility to screw guide and drilling holes in tight spaces. Widely usedThe flexible extension (black) is approximately 28cm and is soft and flexible. Can be twisted, folded tight or rolled up without any difficulty. The 2 different length flexible screwdriver holder which is used for hand drill or general cartridge electric screwdriver, and mainly used in computer frames, electrical cabinets, furniture, household appliances and other tight spaces, cannot work in an environment. Material: Alloy Steel, Rubber, Magnetic Drill. Uses These tools are great for light duty drilling, speed/screw driving, such as battery drill, screwdriver ratchet and so on, they are not compatible with drivers which are pierced with high speed and heavy force, although they are strong for good turning torque.