Description: High quality 6Pcs Mini HSS Circular Saw Blade Rotary Cutter For Metal Cut Hand Tool Kit Set Made from strong HSS high-speed-steel, durable and firm. Use Only on Wood, Plastic & Other Soft Materials Suitable for use in carpentry and crafts. Maximum RPM: 20,000 Specification: Material: HSS Color: Sliver Thickness (mm): 0.8mm Blade Sizes: 22mm(0.86"),25mm(0.98"),32mm(1.26"),35mm(1.38"),44mm(1.73),50mm(1.97) Hole Diameter : 6.35mm (0.19inch) 1 Mandrels with 3.175 mm Shank Diameters Package Includes: 1 x Circular Saw Blade Set (6 Pieces Blade ,1Pieces Mandrels)