Features UGJ trolley jacks feature polyamide swivel castors for smooth and quiet operations. All models are fitted with a foot pedal for fast approach to the load. In addition all models are fitted with a safety valve and stroke limiting device. The 2 ton and 3 ton models have polyamide wheels whilst the 6 and 10 tonne models have cast wheels. OPERATIONAL AREAS These jacks are used mainly in machine shops and garages to lift vehicles.