Looking for Answers about Bass Pro Shops Bass Pro Shops® 1500-lb. Big Wheel Trailer Jack?

Coated with a top-to-bottom electrostatic discharge finish for total corrosion resistance. Large wheel for easy travel, side crank and swivel. 1500-lb. capacity. Fits tongues up to 3"x5" and gives you 27" of lift and 14" travel.Smooth turning ergonomic Power-Grip handle. All galvanized hardware included.Features & Benefits of Bass Pro Shops® Trailer Jacks:  1.Cap can be easily removed to grease gears  2.Bevel gear retained by squared gear shaft for superior strength and maximum torque  3.Ergonomically designed Power Grip handle for supreme comfort  4.Grease fitting for easy lubrication of jack screw  5.Jack screw fully plated for corrosion protection. Cold formed from single piece steel is stronger than welded or bolted designs  6.Worm gear with grease retaining bevel for continuous lubrication  7.Proprietary SEACOATTM coating inside and out for superior corrosion resistance  8.Handle has positive lock mechanism for better stability and strength  9.Large diameter pivot washers for reduced stress and increased surface contact, strength and safety10.Dual pin locking mechanism for added safety and strength11.Galvanized hardware and components for excellent corrosion resistance12.Large stamped flare to increase strength13.Stamped ribs for added strength14.Wheel has large cross sectional area and spoke design for added strength