Heavyduty ribbed wobble roller for boat trailers — durable, heatresistant polypropylene construction that protects hulls and makes loading easier. Key benefits Protects your boat: Ribbed surface guides the hull and prevents scratching or abrasions during loading and transport. Smooth, reliable performance: Precisionmolded wobble action ensures stable rolling and consistent contact for easier winching and launching. Longlasting and robust: Made from quality PP material that resists heat, impact, and cracking for extended service life. Simple replacement: Designed as a direct replacement for old or broken wobble rollers to restore trailer performance quickly. Features and specifications Material: quality polypropylene (PP) — sturdy, durable, temperature resistant. Design: Ribbed wobble roller for improved grip and hull protection. Performance: Stable rolling action; engineered for reliable, repeatable use. Size: 108MM x 75MM x 19MM (4.25' x 2.95' x 0.74') — use these dimensions to confirm fit with your trailer assembly. Compatibility and use Applicable to boats, yachts, trailers and similar marine towing applications. Works as a direct replacement for worn or damaged wobble rollers. Typical use scenarios Launching and retrieving at ramps: Guides the hull into position and reduces friction during winchup and launch. Road transport: Supports the boat on the trailer and helps prevent hull damage from shifting or vibration. Trailer maintenance and : a cracked or worn roller to restore smooth rolling and protect the hull. Notes for Verify roller dimensions (108MM x 75MM x 19MM) against your trailer's mounting space to ensure proper fit. Intended as a dropin replacement part; hardware and mounting shafts not included.