Zinc-Plated Support/Axle Stands - Heavy duty - 18" to 24" (460mm to 610mm) screw adjustment -Capacity 2000KG screw adjustment - Capacity 2000KG Our Chassis and axle stands are made with 20mm diameter screw threads, 12mm diameter tripod legs and have 2x8mm diameter handles for easy movement under load. The tough zinc plated finish on our axle stands and siting products are resistant to tough weather conditions and chipping.