Features: Enhancing your boat trailer's durability and ease of use with this 8 inch kayak trailer roller featuring a heavy duty galvanized steel bracket reinforced with six triangular gussets and a premium black rubber wheel designed to minimize slippage during loading. The galvanized steel bracket, triple coated for rust resistance, includes mounting holes for flexible adjustments, while the industrial grade rubber wheel ensures smooth boat movement by reducing friction and wear on your vessel's keels. Designed for kayak enthusiasts, fishing boat owners, and marine maintenance professional seeking reliability upgrades for aging trailers or replacements for worn out rollers. Optimize watercrafts transportation across dock, ramps, or uneven roads – its reinforced structure securely supports kayaks, canoes, and small boats during trailering and storage. Engineered for universals compatibility with most boat trailer models, this roller assembly combines corrosions resistant zincs plating with shocked absorbing rubber to maintain hull integrity through repeated launch cycles and long journeys. Specifications: Dimension:10×15.5×20.5cm/3.94×6.1×8.07in Component:stainless steel Package Includes: 1Set Kayaks Trailer Roller Bracket note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.