Proximity switch brake release Manual release lever with or without lock Manual release lever latching or non latching Automatic wear compensator Sintered linings for high friction speeds Organic, non-asbestos linings for low friction speeds Continuously adjustable brake spring with torque scale and wear bushing enclosed in a spring tube Stainless steel pins and spindles Maintenance-free bushings in all hinge points Right or left-hand design W-execution (special anti-corrosion protection)