Bass Pro Shops side crank 800-lb. Trailer Jack has a spoked wheel and grease fitting. Smooth-turning ergonomic Power-Grip handle with a positive lock mechanism for stability and strength. Cap can be easily removed to grease gears. Bevel gear retained by squared gear shaft for superior strength and maximum torque. Jack screw is fully plated for corrosion protection and cold formed from single-piece steel, making it stronger than welded or bolted designs. Worm gear with grease retaining bevel for continuous lubrication. Proprietary SEACOAT coating inside and out provides excellent corrosion resistance. Large-diameter pivot washers for reduced stress and increased surface contact, strength, and safety. Dual-pin locking mechanism for added safety and strength. Large stamped flare, stamped ribs, and large cross-sectional area on the wheel increase strength. All galvanized hardware included. Fits tongues up to 3 x 5. 21 of lift and 10 travel. Wt. capacity: 800 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Trailer Jacks.