The Olfa Heavy Duty Cutter Gray Auto Lock is a robust and reliable utility knife designed for tough cutting tasks, featuring an auto-lock mechanism for safety and convenience. Specifications: Type: Heavy Duty Cutter built for demanding cutting applications, offering more strength and stability compared to standard utility knives. Material: The gray body is typically made from durable plastic or rubberized material, ensuring a comfortable grip and resistance to wear. Auto Lock Mechanism: The auto-lock feature automatically secures the blade in place during use, preventing accidental retraction and ensuring safer operation. Blade: Compatible with Olfa standard or heavy-duty blades, often featuring snap-off blades for easy replacement and extended use. Applications: Perfect for construction, DIY projects, cardboard cutting, packaging, and general-purpose tasks that require a strong and precise utility knife. The auto-lock mechanism adds an extra layer of security, making it suitable for both professionals and home users working on demanding tasks.