Features Fitment：4x Clutch Head Bit Socket, designed to used with 3/8 inch square drive. Manufactured to fit for GM Cars, Trucks and some non-automotive applications which has 8-shaped screws. Function：This Clutch Head Bit Socket Set can be used to tighten and loosen clutch head screws used on trucks. Engages firmly and does not slip out. Widely application, includes headlight covers, horn rings, hood brackets, steering columns, valve filler necks, etc. .
