Most interchangeability of parts in the industry. Standard Load Limiter for simple, automatic overload protection. Enclosed contoured Weston-type automatic brake for positive load control. High-efficiency spur gearing for greater lift with minimum effort. Rugged Hoistaloy chain for added strength and durability. Fully machined, forged liftwheel pockets for easier lifting and smooth free chaining. High-strength aluminum alloy castings in frame and covers. Standard hand chain drop is two feet less.