This manual hand lift chain block hoist features a 2 ton (4,000 lb) load capacity and is equipped with a mechanical load brake that allows for precise operation. It's equipped with (2) heavy-duty steel hooks with a safety latch clasp that rotate a full 360-degrees without twisting and bending. Rotating components are mounted on roller ball bearings to reduce friction and increase efficiency. Protected by a cold rolled steel cover that protects the chains and gear system. It can be attached to a trolley as a traveling chain block for a secure lift. The 1/4" diameter chains are constructed from premium 20Mn2 alloy steel with a black oxide finish for added resistance from corrosion and grime. This hand-powered chain hoist uses load-sharing gears which makes lifting heavy loads easy and is intended for the installation of equipment and engine blocks, as well as for loading and unloading goods. It's ideal for industrial settings and job applications such as factories, construction sites, garages, workshops, warehouses, farms, docks, wharves, and mines.