AMH 1/2 TON CHAIN HOIST - Features - Increased efficiency by additional pinion shaft bearing and close tollerances -Hook blocks are bolted allowing complete hook inspection -Lightweight and durable all steel construction with powder coated finish and plated frame components to resist corrosion -Premium Grade 80 Zinc plated alloy load chain manufactured in Germany, Austria or Japan -Hand chain opening on this AMH 1/2 ton chain hoist is formed with a radius for smooth operation -Sealed ball bearings on the chain wheel maximize efficiency and serviceability -Self adjusting double pawl disc type mechanical load brake insures positive load control -Double roller guide insures load chain tracking -Optional Overload Protection is new design one directional clutch that will only slip in the lift direction - 1/2 Ton Chain Hoist Meets: ASME/ANSl B3O.16, OSHA, NASA-STD-8719.9 and EU Directives: 98/37/EC -ATEX rated II 3 GD c IIB 50 C X for limited use in Hazardous Environments. Experience the efficiency of this industrial chain hoist.