
Specifications: m1.1, m1.2, m1.4, m1.6, m1.8, M2, m2.5. Material: 4241 high speed steel / steel ball bearings, suitable for soft metal plate, such as aluminum, flat iron. High flow steel 6542. All steel design with chrome finish for the highest durability. A fine, precise example of ratchet action for high quality work. Easily switch operation co.ukom left to right, or locked for non-ratcheting use.