SeaSure 25mm Single Block w/Shackle

The SeaSure 25mm Single Block with Shackle is an essential component for marine enthusiasts seeking reliable and durable hardware for their boats. Crafted with precision, this block ensures smooth operation and longevity, making it ideal for various boating applications.

Premium Construction for Marine Applications

Designed specifically for the demanding marine environment, the SeaSure 25mm Single Block features marine-grade stainless steel side plates and rivets that resist corrosion from saltwater exposure. The arnite (plastic) sheave not only reduces weight but also enhances durability, ensuring consistent performance even under heavy use.

Versatile Features

• Multi-Purpose Usage: Perfect for creating efficient purchasing systems in sailboat rigging, lifting sails, hoisting flags, and managing lines on deck.
• Easy Attachment: Equipped with a sturdy shackle attachment at the top, allowing for quick and secure connection to various attachment points on your vessel.
• Lightweight Design: The combination of stainless steel and plastic sheave ensures the block remains lightweight without compromising strength.
• Smooth Operation: The plain bearing design facilitates effortless movement of lines, reducing friction and wear over time.

Technical Specifications

Specification	Details
Maximum Rope Diameter	8mm
Breaking Load	500kg
Material	Marine-Grade Stainless Steel & Arnite Sheave
Shackle Type	Top Attachment Shackle
Block Size	25mm

Ideal for Various Marine Applications

The SeaSure 25mm Single Block with Shackle is perfect for a range of boating needs, including:

• Sailboat Rigging: Manage sails and lines with ease, ensuring smooth sailing and efficient sail adjustments.
• Deck Operations: Assist in hoisting heavy equipment, securing lines, and maintaining deck organization.
• Fishing Boats: Ideal for managing fishing lines, nets, and other fishing gear efficiently.
• Boathouse Storage: Create sturdy and reliable storage solutions for ropes, cables, and other marine equipment.

Why Choose SeaSure?

SeaSure stands behind the quality and performance of its products. The 25mm Single Block with Shackle is no exception, offering marine professionals and hobbyists alike a dependable solution for their boating hardware needs. Invest in SeaSure for unmatched durability, ease of use, and superior functionality on the water.

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.