ITEM NAME:800Pcs/Set Flat/Elastic Gasket M4 M5 M6 M8 M10 M12 304 Stainless Steel Shel M1F9 800Pcs/Set Flat/Elastic Gasket M4 M5 M6 M8 M10 M12 304 Stainless Steel Shel M1F9 Good electrical conductivity and thermal conductivity. All contained in a compact and see through compartmented plastic case. Top quality stainless Steel material,Great for sump plugs, water, fuel and hydraulic fittings. A sump plug washer set to suit all types of engines be it Car, Marine, Generators, Machinery and Plant. Quantity: 800pcs Flat washer: 15PCS 12mm Flat washer: 30PCS 10mm Flat washer: 50PCS 8mm Flat washer: 80PCS 6mm Flat washer: 100PCS 5mm Flat washer: 125PCS 4mm Spring washer: 15PCS 12mm Spring washer: 30PCS 10mm Spring washer: 50PCS 8mm Spring washer: 80PCS 6mm Spring washer: 100PCS 5mm Spring washer: 125PCS 4mm DIY Supplies: Electrical DIY Supplies: Metalworking Quality: superior product Color: Metal color Material: 304 stainless steel Package Contents: 800pcs * Stainless Steel Washers Packed in a Plastic Case.Quantity: 800pcs. A sump plug washer set to suit all types of engines be it Car, Marine, Generators, Machinery and Plant. Material: 304 stainless steel. Spring washer: 15PCS 12mm. Spring washer: 30PCS 10mm.