Accommodating static loads from 1,800–3,600 lb, GN 440.1 Steel Leveling Feet with Fixing Lug come in various base diameters and thread sizes. RoHS-compliant products have base and tapped socket of zinc-plated and blue-passivated steel (base is stainless steel for rubber pad type) and assembly screw of stainless steel. Types include one with base cap of black elastomer (TPE) plastic, 73 shore; one with vulcanized non-skid pad of black Nitrile Butadiene rubber, 70±5 shore; and one plain.