Standard with overload protection device. 10-Warrant of lifting wheel, longer life. More durable outer layer painting process. Reliable double reduction gear mechanism to provide reliable operation. Changes in flow rate and two pneumatic lever handle can be fine-mapping. Optional screw in a clean room operation exhaust pipe. Lightweight precision design, suitable for commercial and industrial applications. Industrial grade air motor for use under harsh conditions. Gear drive mechanism using non-oxidizing grease. Standard of 360-degree rotation of the hook with a safety catch. Standard on the hook for the steel fixed hook. Constructed of sturdy aluminum casing. With alloy lifting chain. Operating handle lengths up to 10.8 meters.