Thick, pressed steel gear and hand wheel covers which are resistant to external shock and able to work under extreme and arduous conditions. Fully enclosed self-activating load brake with large asbestos-free friction discs for a long, trouble free life. Hand wheel cover design allows for wide angle of pull on handchain. Top and bottom hooks are drop-forged and are fracture-resistant. Double pawl mechanism for reliable fail-safe braking. Solid safety latches will withstand at least 30 percent side loading. State of the art zinc plated load chain to resist wear and corrosion. Available with overload prevention device as optional extra. Ideal for tough mining conditions and heavy industrial use.