METALTECH's 6 in. Caster is equipped with a locking pin mechanism that provides added security when stationary, preventing unintended movement while working at height. Compatible with the METALTECH BuildMan® 6 ft. Drywall Baker (I-BMSS), this locking caster is a simple yet essential upgrade for improving the safety and convenience of your scaffold. Whether you're moving materials, adjusting positions, or setting up a workspace, the METALTECH 6 in. Caster with Locking Pin ensures a smooth and secure operation on any job site.