Applications: Ideal for removing dirt and seals from glass. Blade Material: Carbon steel. Body Material: Steel. Size: 1.6 x 3.9 inches (40 x 100 mm). Blade Width: 1.6 inches (40 mm). Accessories: Replacement blades x 5. One-touch blade can be easily replaced with a push button. The blade can be stored in the main unit, so it can be safely stored when not in use.