WORKPRO utility knife featuring a lightweight aluminum alloy casing that reduces hand fatigue during extended cutting sessions. The integrated blade chamber stores up to five spare blades, keeping replacements accessible without searching your toolbox. Hardened SK5 steel blades deliver razor-sharp edges that slice through drywall, cardboard, and roofing materials with minimal pressure. The compact design fits comfortably in tool belts and pockets, making it ideal for electricians, roofers, and construction crews who demand portability without sacrificing cutting performance.