The Kincrome Mini Ratchet Bit Set is a set of small interchangeable bits and a ratchet for use in tight spaces or for precision work. The set includes 10 pieces, which includes a variety of different types of bits for use on different fasteners and in different applications. The included ratchet is designed to be compact and easy to use in confined spaces, making it a useful tool for mechanics, technicians, and other professionals who work on machines or other equipment.