Item Type: Impact Tough Quick Release Bit Holder Commodity Material: Carbon steel Length: Approx. 89mm or 3.5in Head Type: 1 or 4in hex handle Rotation Angle: 0-20° 1,The product is made after heat treatment manufacturing, therefore improving durability 2,The rotating drill support is made of good quality metal material, sturdy and durable. Surface plating is not easy to rust 3,Super heat treated carbon steel can be used for ordinary and impact screwdrivers. Durable, long lasting and easy to use 4,Light weight with fast speed, can be connected to standard hex nut driver, impact hole saw, spade drill bit, etc. 5,This is a perfect convenient tool, the head can be rotated up to 20 degrees, suitable for hard to reach areasWhen using an electric screwdriver, adjust the torsion to the minimum. If you use a hand drill, do not rely on it to tighten the screws. And to tighten the pyramid adapter manually, otherwise the gear will be broken.1 x Impact Tough Quick Release Bit Holder Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.