Vestil Polyurethane Floor LocksFloor Locks are ideal for maintenance and construction facilities. The unit is designed to create a stable environment, while decreasing the chance of jostling or slight movement. The unit is constructed of steel with a thermoplastic polyurethane base. To use, place the unit close to a desired wheel or caster and raise until tension is built. Once secured, a simple locking device can be activated by applying pressure to the foot pedal.