10Pcs/120Pcs /200Pcs /280PcsDIN7603 M5 M6 M8 M10 M12 M14 T3 Copper For Boat Crush Washer Flat Seal Ring Fitting
https://www.vogueparade.com/shopping/EN/42/1/1005003515396956/10pcs120pcs-200pcs-280pcsdin7603-m5-m6-m8-m10-m12-m14-t3-copper-for-boat-crush-washer-flat-seal-ring-fitting//