Item specifics Brand Name: TASP Size: 22mm/25mm/32mm/35mm/44mm Blade Material: HSS Finishing: Other DIY Supplies: Woodworking Model Number: MMD001SP3 Mini circular saw blade use: Wood/Aluminum Cutting Name: circular saw blade Category: dremel accessories 6PC HSS Mini Circular Saw Blades Ideal for precisions cuts in aluminum, brass, copper, wood and plastic. For use with rotary tool drills. Maximum RPM: 20,000 Supplied in blister pack. HRC: 59~63. Material: 4241 Steel. Package contains : 22 / 0.4 / 6.35mm (1pc) 25 / 0.5 / 6.35mm (1pc) 32 / 0.6 / 6.35mm (1pc) 35 / 0.7 / 6.35mm (1pc) 44 / 0.8 / 6.35mm (1pc) 3.2mm(1/8") Mandrel (1pc)---Suitable for Dremel 3.2mm(1/8") collect