VEVOR Boat Trailer Winch Stand with Roller, Adjustable Height 14.3-21.6 Inches, Boat Winch Mount with U-Bolts for 2-3 Inches W x 3-4 Inches H Trailer Tongue, Fit for Jet Ski, Sailboat, Speedboat Fits 2-3'' W x 3-4'' H Trailer Tongues Strong Rust Resistance Large Size Roller Precise Fit Multiple Security Features Great Compatibility Minimum Support Height: 14.3 in / 365 mm,Square Tube: 3 mm Galvanized Steel,Product Max Dimensions: 17.32 x 7.48 x 14.57 in / 440 x 190 x 370 mm,Item Model Number: 1903,Roller Material: PVC,Roller Outer Diameter: 5.1 in / 130 mm,Product Weight: 13.03 lbs / 5.91 kg,Maximum Support Height: 21.6 in / 548 mm,Compatible Tongue Size: 2-3 x 3-4 in / 50.8-76.2 mm x 76.2-101.6 mm