JET L-100 Series Manual Chain hoist combine a true rugged industrial design with highly refined quality. The drop forged, carbon steel hooks are quenched and tempered to increase strength and will slowly stretch to indicate an overload situation. Cast steel safety latches, attached with Allen head screws and lock nuts, outclass the industry standard of stamped safety latches. The induction hardened, 100 grade load chain provides 20% more strength then the common 80 grade load chain found on inferior chainfalls. The double enclosed brake cover keeps dirt and debris away from the brake mechanism. While the sealed ball bearing supported load sheave provides efficient and smooth operation. All the internal pats are Zinc coated for additional corrosion protection. The triple spur gear drive train features alloy steel gears that have been heated treated, quenched and then case hardened for life time of service.