Contains 1310 washers in 18 sizes, from 6 mm to 32 mm.Contains Sizes: 6X10X1, 6X12X1, 8X12X1, 8X14X1, 10X14X1, 10X16X1, 12X16X1.5, 12X18X1.5, 14X18X1.5, 14X20X1.5, 16X20X1.5, 16X22X1.5, 18X24X1.5, 20X26X1.5, 22X27X1.5, 26X32X2, 30X36X2, 32X38X2.