CERTIFIED ORIGINAL TOLSEN BRAND Model: 30065 Size:300mm. 12"x12mm, 1/2" Material: M2+D6A 24TPI 10pcs packed in plastic box 12 inch or 300mm blades designed to fit most hacksaw frames Made of HSS M2/D6A Bi-Metal for great results and long lasting life 24TPI blades able to cut fast thru steel and other hard materials Idea for cutting steel, aluminum, plastic and other hard materials Made of HSS M2/D6A Bi-Metal Blade size: 12inch x ½inch Teeth per inch: 24 Blade for steel work Package quantity: 10 Blades