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Product guide

Otoolling HUU5602 Trailer Safety Chain Extensions, 5/16 in x 12 in, 8-Pack

Pack: Otoolling HUU5602 trailer safety chain extensions are listed as an eight-piece set with snap hooks at both ends. The listing specifies 5/16-inch chain and a 7600-pound gross vehicle weight rating, with galvanized steel construction for trailer, camper, and RV towing setups.

At a glance

  • Eight extensions are listed, each about 12 inches long, for setups needing multiple connection points.
  • The listing describes grade 30 galvanized steel and gives a 7600-pound gross vehicle weight rating.
  • Snap hooks at both ends are described as providing quick attachment to trailer couplers and chain links.
  • The claimed zinc coating is intended to help resist rust and corrosion in weather exposure.
Price
$37.09Save 18%

Reference price: $44.99

Price checked: Nov 14, 2026

View offer

Pros and cons

Pros

  • The eight-piece quantity can serve multiple trailer connection needs or keep spares available.
  • Both-end snap hooks make attachment and removal straightforward where the mating points fit.
  • The stated 12-inch extension length and 5/16-inch chain size give buyers concrete dimensions to compare with their setup.

Technical specifications

11 specifications
Identity
BrandOtoolling
ModelHUU5602
Dimensions and installation
Dimensions listed12.2 x 1.97 x 0.59 inches
Weight listed10.14 pounds
Chain lengthabout 12 inches
Chain diameter5/16 inches
S hook diameter0.46 inches
Construction and capacity
Material and gradegrade 30 galvanized steel
Listed gross vehicle weight rating7600 pounds
Connections and quantity
Quantity8 pieces
Hooks5/16" snap hooks on both ends

What to know before buying

  • The listing describes a 7600-pound gross vehicle weight rating. Confirm that this rating and the hook and chain dimensions meet the requirements of your specific towing setup before use. Its statements about improved road safety and meeting regulations are listing claims, not a substitute for checking applicable requirements.

Who is it for?

A good fit for

  • Trailer, camper, and RV owners who need short chain extensions with hooks at both ends.
  • Buyers needing multiple extensions for separate trailer connections.

Less suited to

  • Buyers needing a longer chain extension or a rating documented for a different load category.
Otoolling HUU5602 Trailer Safety Chain Extensions, 5/16 in x 12 in, 8-Pack · photo 2
Additional product photo 2

Customer reviews on Amazon

4.7 / 5 · 24 ratings
  • 5 stars88%88%
  • 4 stars6%6%
  • 3 stars0%0%
  • 2 stars0%0%
  • 1 star6%6%

Aggregate ratings lean positive, with most ratings in the five-star category, but a small share are one-star. Without customer comments, the reasons for either response are unknown. Treat the ratings as limited context rather than confirmation of the listed dimensions, material, or towing rating.

Frequently asked questions

How many extensions are listed?

The listing specifies eight pieces.

What length and chain diameter are stated?

Each extension is described as about 12 inches long with a 5/16-inch chain diameter. The listing also gives an S-hook diameter of 0.46 inches.

What capacity does the listing state?

It states 7600 pounds gross vehicle weight rating. Confirm that this figure is appropriate for the intended towing setup.

What are the extensions made from?

The listing describes grade 30 galvanized steel with a zinc coating.

Otoolling HUU5602 Trailer Safety Chain Extensions, 5/16 in x 12 in, 8-Pack · photo 3
Additional product photo 3

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