Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

SeaSure

SeaSure 25mm Plain Bearing Treble Block with Shackle, 1250kg Load

SeaSure 25mm Plain Bearing Treble Block with Shackle, 1250kg Load

SKUCT-113040

Regular price $52.32
Regular price Sale price $52.32
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Low stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Maximize your mechanical advantage with the SeaSure 25mm Plain Bearing Treble Block, engineered for robust lifting and rigging applications. Part of SeaSure's long-standing and best-selling range, this block delivers reliable performance for both marine and general-purpose tasks. Proudly designed and manufactured in the UK in an ISO 9001-certified facility, it's a testament to quality and durability. Upgrade your lifting capabilities today.

In the Box:

  • SeaSure 25mm Plain Bearing Treble Block
  • Integrated Shackle

Key Benefits & Specifications:

  • Exceptional Durability: Constructed with marine-grade stainless steel side plates and rivets for superior corrosion resistance and longevity in harsh environments.
  • Hard-Wearing Sheave: Features a lightweight yet incredibly robust Arnite (plastic) sheave, ensuring smooth operation and extended product life.
  • High Breaking Load: Rated with a substantial 1250kg (2755 lbs) breaking load, providing confidence for demanding lifting operations.
  • Optimal Rope Compatibility: Designed to accommodate ropes up to a maximum diameter of 8mm.
  • Enhanced Lifting Capacity: Enables the creation of a 6:1 purchase system, significantly increasing your lifting power and reducing strain on ropes and users.

Recommended Applications: Ideal for sailboat rigging, davit systems, garage door mechanisms, and various other storage and lifting solutions.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

Fit & compatibility

Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.

Need help choosing?

Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.

View full details