Adjustable Height Floor Locks includes an adjustable height foot pad that work on carts. It includes different caster heights. It provides uniform locking and safety unlocking force for better ergonomic operation. This feature also keeps the floor lock working properly as spring and pads wear over time. Height is adjustable by turning the bottom pad. This unit has a bright zinc plated finish with heavy-duty cast steel construction. The bottom pad includes suction-cups for extra grip. It prevents portable equipment from rolling. It is mounted to the underside of carts, lift tables, and platform trucks. It is recommended for use on level surfaces. It is used to immobilize a vehicle so that it may be loaded or unloaded safely. It is designed as heavy-duty or industrial strength. It features include easy foot-pedal activation, non-slip or non-skid brake pads, high-compression springs, and an easy-access release bar.