Wobble Roller (Ribbed) — 108MM x 75MM x 19MM (4.25' x 2.95' x 0.74') Key benefits Durable, longlasting construction: Made of quality polypropylene (PP) material that resists temperatures and is not easy to break, providing reliable service over time. Smooth, safe loading: Ribbed wobble roller design helps guide and support the hull when loading a boat onto a trailer while minimizing scratches and surface damage. Reliable replacement: Manufactured with precise production methods to deliver stable performance and reliability; fits as a direct replacement for old or broken wobble rollers. What it does for you Protects your boat: The ribbed surface reduces contact abrasion and helps center the hull during winching, preventing costly scuffs and paint damage. Makes launching and loading easier: The wobble action helps align and guide the boat onto the trailer, reducing manual adjustments and effort. Lasts in marine environments: Sturdy PP construction tolerates temperature changes and routine use without cracking or deforming. Features and specifications Material: quality polypropylene (PP) Design: Ribbed wobble roller for hull protection and improved guidance Performance: Manufactured for stable, reliable operation and direct replacement of damaged units Size: 108MM x 75MM x 19MM (4.25' x 2.95' x 0.74') Compatible applications Boats and yachts: Use on single or multiaxle trailers to protect fiberglass and painted surfaces during launch and retrieval. Boat trailers: worn or broken wobble rollers to restore smooth loading and centering performance. General marine and trailer use: Suitable wherever a ribbed wobble roller is required to support and guide rolling loads. Practical use scenarios Launching a small fiberglass boat at a public ramp: The ribbed roller guides the hull onto the trailer and reduces scraping when winching the boat in. Replacing a worn trailer roller before a coastal trip: Swap the old roller for this durable PP unit to prevent damage during multiple launches and tows. Preparing a yacht tender for storage: Install the roller on a trailer bunk to help center and protect the tender's hull during transport and handling. Why choose this roller Simple, direct replacement that restores trailer performance Durable PP construction for long service life and temperature resistance Ribbed profile balances secure guidance with minimal surface contact for protection Size and fit reminder: 108MM x 75MM x 19MM (4.25' x 2.95' x 0.74'). Ensure this matches your existing roller specifications before installation.