SeaSure 25mm Shouldered Block

The SeaSure 25mm Shouldered Block is engineered to meet the demanding needs of marine and boating enthusiasts. Combining durability with lightweight design, this block ensures reliable performance for a variety of applications on your vessel.

Features

• Stable Installation: When fitted with a lacing eye (25.17), the block maintains an upright position, preventing unwanted side-to-side movement.
• Versatile Applications: Ideal for creating purchasing systems used in lifting, garage door mechanisms, storage solutions, and more, tailored to the unique requirements of marine environments.
• Premium Construction: Constructed with marine-grade stainless steel side plates and rivets, ensuring resistance to corrosion and longevity in harsh seawater conditions.
• High-Quality Sheave: Equipped with an arnite (plastic) sheave that provides exceptional wear resistance while keeping the block lightweight.

Specifications

Maximum Rope Diameter	8mm
Breaking Load	500kg
Material	Marine-grade Stainless Steel
Sheave Type	Arnite Plastic

Ideal for Marine Applications

The 25mm Shouldered Block is perfect for a range of marine uses, including:

• Deck lifting systems
• Sail handling and rigging setups
• Storage compartment mechanisms
• Custom boat modifications and upgrades

Why Choose SeaSure

SeaSure is committed to providing high-quality marine hardware that stands up to the toughest conditions at sea. Our 25mm Shouldered Block is a testament to our dedication to durability, functionality, and performance, ensuring your maritime projects are supported by reliable components.

Orders of physical products placed by 3 PM EST M-F typically ships the same day, if all requested items are in stock. Weekend orders will typically ship on Monday.

Shipping takes 2-7 days.

We currently ship to the Contiguous 48 States.

Life of Sailing merch is custom made for the customer after an order is placed. Total turnaround is typically 7-14 days from order to doorstep.