Blade: 1.65 mm manganese steel blade, heat treated to HRC 50 ± 2; sharp cut with a maximum opening of 27 mm; upper blade has a Teflon coating and lower blade is plated for durability. Protection and durability: Stainless steel seal protection with an imported spring; rustproof design; anticollision buffer helps prevent the tool from using excessive force and prolongs service life. Construction and adjustment: Uses PVC locks that are wearresistant and easy to handle; blade is easy to use and adjustable; zinc alloy gears provide hardness and durability, making the blade more adjustable and less prone to damage. Handle design: Aluminum alloy onepiece handle with an ergonomic design; comfortable natural grip; smooth PVCdipped handle for comfortable, easy carry. Use scenarios: Trimming vinyl, plastic film, wallpaper, and other lightweight materials for home improvement or crafting projects. Cutting thin metal sheets or aluminum profiles in light metalworking or DIY tasks. Trimming leather, fabric, or upholstery materials for crafts, tailoring, or maintenance projects.