High-quality, heavy-duty box-cutter utility knife cuts tape, corrugate & twine with ease. Adjustable & retractable blade has three locking positions. Contoured lightweight metal casing stays intact even in the toughest environment. Strong body resists impacts when jostled in your toolbox or dropped on the job. Refillable with heavy-duty blades (one included). Knife Type: Utility; Blade Type: Retractable; Handle Material: Die Cast; Blade Shape: Straight.