Bow Roller Efficient Blue Keel Roller for Boat for Trailer Feature: 1. Premium Material: Keel rolleris made of premium PVC material, wear resistant, non marring, protects your boat's finish, sturdy and durable. 2. Function: Bow roller efficiently helps center and guide the keel of your boat on to the trailer for level and safe trailering, has a long service time. 3. Unique Design: Bow stop roller has embedded grooves, to automatically center the boat while the boat rolls forward, convenient and practical. 4. Excellent Performance: Professional manufacturing, exquisite workmanship, waterproof, stable performance and high reliability. 5. Simple Installation: The installation is simple, direct replacement the old one, no complicated operation is required, save your time and energy. Specification: Item Type: KeelRroller Material: PVC Center Bore: Approx. 13mm/0.51in Quantity: 3pcs Fitment: Fit for trailer, boat Package List: 1 x KeelRroller(3pcs parts) Rear LED Turbine Air Vent Ambient Light Kit 64 Color for Mercedes-Benz A/CLA/GLA-Class W177 C118 + ABS+PC USD 69.30 /piece 64 Color Tweeter Cover With LED Ambient Lighting for GLE GLSClass W167 X167 Onwards ABS+PC+Aluminum Alloy USD 47.21 /piece 64 Color Door Midrange Speaker Covers Ambient Light Replacement for MercedesBenz CClass W206 2022+ Car Accessories USD 238.97 /piece