About this item This fits your . Make sure this fits by entering your model number. Double hammer strike structure, strong moment of force, easy to use. Gun type design, compact appearance, comfortable handle, easy to operate. Reversible rotation, high speed, low noise, good mechanical performance. Suitable for the fastening and dis-assembly of screws in the light industry field such as machine manufacturing and metal auto repair. Adjustable speed, high precision, high efficiency, long service life.