X-ACTO X75320 Small Metal Miter Box Set. For precision cutting of moldings, trim, model parts, and railroad track. Slotted sides guide saw for accurate miters. Formed groove base holds materials in place in widths of 1/16, 3/32, 1/8, 5/32, 3/16, and 1/4 inch. Materials to be cut can be up to 7/8 inch deep. Includes No 5 Heavy-Duty Plastic Knife Handle with V-tooth Coarse Razor Saw Blade. Note: Only X-ACTO X236(not available individually) and X239 saw blades will cut to the bottom of the X-ACTO X75330 Metal Miter Box. Excel 30460, 30470, 30480, 30490, and 30491 razor saw blades will cut to the bottom of the miter box. Other Razor saw blades can be used, but will not cut to the bottom of the miter box.