SKU: 45710121769

4″ Parallel Boat Rollers – 70mm Dia

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Ships within 48 hours · Estimated delivery Jul 11 - Jul 16

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Description

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)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 45710121769

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4.3 ★★★★★
Based on 1713 reviews
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Verified Purchase
Don L. III
Los Angeles, US
★★★★★ 5
Great to exercise the dogs!
Style: Sport, Size: Large
Great to throw 3” KONG Ball (RED) with hole thru it! The thrower is the best to exercise dogs with retrieving balls!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
S
Verified Purchase
Sea Jay
Waukegan, US
★★★★★ 5
Great quality and folding it in half is a plus. Fits under a seat in car/truck.
Purchased another, as we need one in each car. This is a great ball thrower, especially as it folds in a half. Makes it easy to store under a car/truck seat. Haven’t had any problem with it, great quality!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026
H
Verified Purchase
HY
Battle Creek, US
★★★★★ 5
Fantastic throwing aid!
Very well made, great quality and doesn't feel cheap at all. It's thick, not flimsy or fragile so you can really swing it to launch a ball. Saves my body that I don't have to bend over to pick up the ball anymore, and saves my shoulder that I don't have to hurl the ball anymore. Another bonus is you don't have to touch a slobbered, soggy ball, or a ball covered in dirt. The foldable design is fantastic because I walk everywhere with my dog and don't want to carry around a long stick that's awkward to hold. This folds down small enough that I can securely put it in the back pocket of my jeans without worrying about it falling out. The thing I love most about it is there's a elastic loop at the end so when you fold it you can latch it securely. This small detail is outstanding because I can also hang it on the strap of my sling bag and with the loop secured it will not slip off the strap. This product is so well made and thought out overall.
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Reviewed in the United States on February 14, 2024
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Verified Purchase
Debra Terry
Chelsea, US
★★★★★ 5
Excellent toy for play
My dog would play all day if I threw the ball to him. He loves this even though he's 12. The scooped end allows you to pick up the ball without touching it. After a few runs it's covered in dog slobber. So that's a major plus for me! Also, some health issues affect my walking and bending at times. This helps with the bending. This is a great game to play with your favorite friend!
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Reviewed in the United States on May 5, 2026
S
Verified Purchase
Susan Says
Birmingham, US
★★★★★ 5
Your high-energy dog will love it!
Why did I wait so long to get one of these?!? I am the stereotypical throws-like-a-girl person, and my dog really needs to have an option that forces her to run far and fast. This is it. I can get that ball half a soccer field away at a minimum if I want. The ball is super bouncy, which adds an element of fun to her attempts to tame it and bring it back. Super worth the money (which wasn't much!). I've never had one of these before, so can't compare to the non-folding version. This one is easy to carry and fits in a drawer for storrage. No way you can fit it in a pocket, especially if you have a phone in one and dog treats in the other.
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Reviewed in the United States on April 14, 2026

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