100Pcs Flat Penny Washers 5 Sizes Stainless Steel Large OD M4, M5, M6, M8, M10
Fastener size M4, M5, M6, M8, M10. It can be used to disperse the pressure on the firmware, protect the connection surface, reduce friction and prevent leakage and loosening. It is an important accessory for household daily use and maintenance.