METALTECH's 4 ft. Alu Series Portable Aluminum Scaffold is equipped with 4 in. casters, allowing for smooth and easy movement across different surfaces. The locking mechanism on the casters ensures stability when the scaffold is stationary, minimizing the risk of movement during use. Whether working on a construction site, performing maintenance, or tackling home improvement projects, the METALTECH Alu Series scaffold delivers a convenient and reliable platform to safely access elevated areas while keeping tools within easy reach.