Features: The boat trailer v block ensures superior stability and safety during transport with its V shaped design, preventing sliding and providing strong support for boats like kayaks and yachts. Crafted from high strength rubber, this marine accessory features excellent elasticity and antiaging properties, offering enhanced durability and wear resistance in harsh conditions such as seawater and sunlight. Designed for boat owners, water sports enthusiasts, and families who enjoy activities like fishing and kayaking, it prioritizes convenience and reliability for all users. Ideal for diverse scenarios including family outings, fishing trips, or transporting various small boats such as kayaks and sailboats, ensuring a stable and secure ride. With quick, tool less installation in just seconds, this versatile rubber boat stopper maximizes transport safety and ease for hassle less water adventures. Specifications: Product name: Boat trailer V-shaped seat Product Component: rubber Size:Approx.77x99mm/3.03x3.89inch Holde Diameter:Approx.13mm/0.51inch Color:Black Package Includes: 2pcs V Shaped Marine Trailer Block note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.