A great kit to have around the workshop, containing a good assortment of sizes. When you need a washer, you can guarantee the size you require is nowhere to be found in your oddments box. With this useful assortment you will have the washer you need whenever you need it. There are 6 sizes, ranging from M3 to M10; the box contains on average 900 pieces. The washers are steel with CR3 zinc plating to prevent corrosion, made to DIN 125 standard. Supplied in a handy plastic organiser box 210 x 110 x 30mm.