【100mm Length Hex Bit Socket】The slim shank is useful when the screws were hidden very deep in the housing, for example coffee machines, Hoovers. 【Magnetic】The magnetic bits fit perfectly and hold the screws, and the clear laser markings make it easy to find the bits you need. 【Package】10 screwdriver bits in the following sizes 1.5/2/2.5/3/4/5/6/8/10/12 mm. 【Wide range of application】Not only can you use the bits on hand tools, but you can easily insert them to use any 1/4 inch hex shank power drill. 【Industrial grade material】: Made of S2 alloy steel high quality, with excellent hardness and torque.