Screwdriver head anti-skid device

The anti-skid device for the screwdriver bit comprises a fixed cylinder 1 and an anti-skid cylinder 3, the fixed cylinder 1 is in a hollow through cylindrical shape, the anti-skid cylinder 3 is also in a hollow cylindrical structure without a lower bottom face, the fixed cylinder 1 is vertically and fixedly installed on the upper bottom face of the anti-skid cylinder 3, and the anti-skid cylinder 3 is in a hollow cylindrical structure without a lower bottom face. The inner cavity of the fixed cylinder 1 is communicated with the inner cavity of the anti-skid cylinder 3, and the axes of the two are overlapped; the fixed cylinder 1 is made of a metal material with strong magnetism; the two fixing screws 2 are oppositely arranged on the two sides of the middle of the fixing cylinder 1. The position of the screwdriver head can be effectively fixed, and the risk that a screwdriver edge slides and falls off can be greatly reduced; the tool bit is prevented from damaging equipment or hurting personnel; the screwdrive