The Jet L-100 Series Hand Chain Hoist features a sealed ball bearing design for a more efficient, smooth operation. The hoist has an all steel construction for increased durability and a lightweight, compact design for use in tight quarters. The grade stronger 100 load chain resists corrosion and assures long life of the hoist. The L-100 Series has many safety features, including a weston style dual pawl brake system, patented fused brake design and alloy steel hooks that rotate 360 degrees and slowly stretch to indicate an overload situation. Standards: Complies with OSHA Regulations, ANSI/ASME B30.16 and HST-2 Standards, Load tested to 125% of capacity with certificate.