4″ Parallel Boat Rollers – 70mm Dia

4″ Parallel Boat Rollers – 70mm Dia4" Parallel Flat Boat Trailer Keel Rollers 70mm Dia Roxoms 4 inch Parallel Boat Trailer Roller (70 mm diameter) is built for strength, smooth rolling, and lasting performance. Made from high quality HDPE Plastic, this blue Flat Bilge style keel roller provides stable support and easy boat loading. Designed for boat owners who need reliable, non marking rollers that can handle Australias toughest marine conditions. Product Highlights 4 inch (70 mm)

4" Parallel Flat Boat Trailer Keel Rollers - 70mm Dia

Roxom’s 4-inch Parallel Boat Trailer Roller (70 mm diameter) is built for strength, smooth rolling, and lasting performance.

Made from high-quality HDPE Plastic, this blue Flat Bilge style keel roller provides stable support and easy boat loading. Designed for boat owners who need reliable, non-marking rollers that can handle Australia’s toughest marine conditions.

Product Highlights

• 4-inch (70 mm) blue parallel keel roller

• Solid HDPE Plastic construction – strong, long-lasting, non-marking

• UV-stable and saltwater-resistant for year-round use

• Maintains shape under heavy load – won’t split or flatten like rubber

• Fits standard 5/8" (16 mm) shafts and brackets

• Designed and manufactured in Australia

Designed for Strength & Smooth Operation

Parallel rollers like this one offer a wide, flat surface for steady support across the keel. The polyurethane material rolls smoothly and won’t absorb water, making it perfect for both fibreglass and aluminium hulls. Ideal for replacing worn rubber rollers or upgrading to poly for longer life and better performance.

Specifications

• Colour: Blue 

• Type: Parallel keel roller

• Diameter: 70 mm.

• Length: 4 inch (100mm)

• Material: HDPE Polyethylene (Ultralene)

• Bore: 5/8" (16 mm)