Selection of lock washers, internal shake proof washers, external shake proof washers and locking washers. Comes complete with : Lock washers : 3mm (x50pc), 4mm (x50pc), 5mm (x50pc), 6.4mm (x30pc) and 9.5mm (x20pc) Internal shake proof washers (star) : 3mm (x50pc), 4mm (x50pc), 5mm (x50pc), 6.4mm (x30pc) and 9.5mm (x20pc) External shake proof washers (star) : 3mm (x50pc), 4mm (x50pc), 5mm (x50pc), 6.4mm (x30pc) and 9.5mm (x20pc) All contained in a plastic storage tray.
