Durable steel casters ideal for workbenches. High quality polyurethane wheels. Foot levers allow workbench to be raised and moved when needed, but keep bench stationary and stable when in use. Each caster is highly manoeuvrable and rated to support 45kg (100lb) for a total capacity of 180kg (400lb) when set is installed together. Screw mounted for easy installation. Durable steel casters ideal for workbenches. High quality polyurethane wheels. Foot levers allow workbench to be raised and moved when needed, but keep bench stationary and stable when in use. Each caster is highly manoeuvrable and rated to support 45kg (100lb) for a total capacity of 180kg (400lb) when set is installed together. Screw mounted for easy installation.