JACK WHEEL WORN OUT OR DRAGGING: Slides onto any 2-inch trailer jack shaft and locks in place with a spring-loaded pin. Swivels 360 degrees for effortless repositioning at boat ramps, storage lots, and driveways. LOCKS ON AND STAYS ON: A spring-loaded locking pin drops through the shaft hole and a side-mounted bolt tightens flush against the shaft exterior, giving the wheel two independent points of retention. No welding, drilling, or permanent modification. FITS STANDARD 2-INCH TRAILER JACK SHAFTS: Slides over any 2-inch tongue jack on boat, camper, car hauler, and utility trailers. 3/8 inch pin slides through your shaft hole. Shaft hole within 1-3/16 inches from the bottom. Screw bolt needs no hole. MARINE-GRADE STEEL WITH POWDER COAT FINISH: Heavy-gauge welded steel frame with powder-coated corrosion-resistant finish. Solid polymer wheel rolls on concrete, asphalt, gravel, and boat ramp surfaces. Built to last through years of trailer use. BACKED BY A 1-YEAR MANUFACTURER WARRANTY: Rated at 1,200 lb for smaller boat trailers, personal watercraft, and light campers. Fits any 2-inch shaft tongue jack. Better Boat is a family owned American company based in Miami Beach, Florida. The Better Boat 1,200 lb trailer jack wheel is a single-wheel replacement for tongue jacks with 2-inch diameter shafts. It slides over the shaft and locks using a spring-loaded pin through the shaft hole and a side-mounted bolt that clamps against the shaft exterior without needing a hole. The pin aligns with shaft holes up to 1-3/16 inches from the shaft bottom, which is standard on most 2-inch tongue jacks. Pin has a 3/8" diameter. The 360-degree swivel makes repositioning easy on boat ramps, storage lots, driveways, and garages. The 5.5-inch solid polymer wheel and 9-inch overall height provide reliable clearance across all standard tongue jack configurations. Built from heavy-gauge welded steel with a powder-coated corrosion-resistant finish for outdoor and marine use. Rated at 1,200 lb, suited for smaller boat trailers, personal watercraft, and light campers. Pairs with the Better Boat Trailer Wheel Dock and Wheel Chocks, sold separately. Backed by a 1-year manufacturer warranty. Better Boat is a family owned American company based in Miami Beach, Florida.