A set of four casters (two locking, two non-locking) that mount directly to the bottom of a ProLine frame, 0-mm or 100-mm Solid Base or a Console (Do not use on plinth bases). Casters elevate the enclosure 110 mm (4.33) when installed. Caster frames are plated steel with ball-bearing pivots. Caster wheels are made of a black polyamide material. Kit includes M12 mounting hardware. Order separately. Casters Maximum Load: 1000 lb. (453 kg).