The original Rotake product - you will learn about the "Rotake" engraving on each of the caps. Compared to cheaper replacements, Rotake caps are made of much better material quality.
Sockets are designed for impact pneumatic keys with a stem fastening 1/2 ". They are made of steel CR-MO chrome-molybdenum steel. The whole is in a plastic cartridge. Due to their length, they work well Unscrewing and screwing aluminum rims. The caps are equipped with holes for protection against falling out.