The 126X05 Screwed Spacer Sleeve is a 5mm long, internally-threaded hexagonal spacer sleeve, manufactured by Dremec. It is constructed of steel and is plated with zinc for corrosion resistance. The M4 internal thread allows the sleeve to be connected to other components, such as screws, bolts, and nuts. This part is primarily used in electrical and electronic products such as computers, cell phones, gaming consoles, and other related devices.