USAG Thinwall Deep Impact Sockets (MLS series)(NS.21T) - new for 2021. These 6pt impact sockets are 85mm long (standard Facom/USAG "deep" sockets are 78mm) with a thinwall for accessibility and a knurled band for finger grip. They are drilled for the use of safety pins or can be used with standard ball detent grip. Sizes 17-27mm.