This Schumacher double-ended open wrench fits 3.9mm and 5.5mm fasteners, covering two common nut and bolt sizes used on Schumacher touring car platforms. Made from metal with a chrome finish, it gives you a dedicated spanner sized for the hardware found on these vehicles rather than relying on a generic tool. A straightforward addition to any Schumacher-focused pit kit. Features: 3.9mm open end and 5.5mm open end Double-ended design covers two fastener sizes Metal construction with chrome finish Purpose-sized for Schumacher touring car hardware 7/7/26 cs