Features: 1. Each edge is a part of the characteristics of the cutting work, making the hole is not easy to collapse. 2. Suitable for stainless steel plate, steel, casting, aluminum alloy, iron and other kinds of metal plate drilling. 3. With excellent chip removal performance, sharp edge and wear-resistant. 4. Can be used for bench drill, electric drill chuck with the use of machine tools. 5. 13pcs hole saw kit in different sizes, bring great convenience for your work. Specification: Condition: 100% Brand New Material: Alloy Color: As Pictures Shown Outer Diamter: 16mm/0.63in, 18mm/0.71in, 20mm/0.79in, 22mm/0.87in, 25mm/0.98in, 26mm/1.02in, 28mm/1.1in, 30mm/1.18in, 35mm/1.38in, 40mm/1.58in, 45mm/1.77in, 50mm/1.97in, 53mm/2.09in Length: Approx. 62-70mm/2.4-2.8in Clip End Size: Approx. 10mm/0.4in Package List: 13 * Hole Saw Note: This product is not easy to cut a relatively thin metal material, can be cutting within the 2-5mm stainless steel plate and the metal plate≤15mm. 1、Each edge is a part of the characteristics of the cutting work, making the hole is not easy to collapse. 2、Suitable for stainless steel plate, steel, casting, aluminum alloy, iron and other kinds of metal plate drilling. 3、 With excellent chip removal performance, sharp edge and wear-resistant. 4、Can be used for bench drill, electric drill chuck with the use of machine tools. 5、 13pcs hole saw kit in different sizes, bring great convenience for your work.