80pcs Solid Copper Sump Plug Assorted Washers Metal Kit Garage Engine Set with Box Features: Good electrical conductivity and thermal conductivity. All contained in a compact and see through compartmented plastic case. Great for sump plugs, water, fuel and hydraulic fittings. Specifications: Material: Copper Size types: 8 Quantity: 80PCs Box size: Approx. 12.8 x 7 x 2.2cm / 5.03 x 2.75 x 0.86inch Weight: 150g 80Pcs Solid Copper Washers List: Size: (I/D x O/D x Thickness) Quantity M20*26*1.5   5pcs M18*24*1.5    5pcs M16*22*1.5    10pcs M14*20*1.5    10pcs M12*18*1.5    10pcs M10*16*1       10pcs M8*14*1        15pcs M6*12*1        15pcs Package Included: 1 x Pack of 80pcs Copper Washers 1 x Case