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Block BBB40 TRIPLE, SWIVEL
Selden Block BBB40 Triple Swivel – S404-101-08R
The Selden BBB40 Triple Swivel Block (S404-101-08R) is a high-performance sailing block designed for efficient rope handling and smooth mechanical advantage systems. Featuring three 40mm ball-bearing sheaves mounted on a swivel head, it allows the block to rotate freely and follow the direction of the load, ensuring smooth line movement and reduced friction.
Part of Selden’s BBB40 ball bearing block range, this block is built for durability and reliable performance in demanding marine environments. It is commonly used in sailing systems such as mainsheets, vangs, and other multi-purchase control line setups.
Key Features
Brand: Selden
Model: S404-101-08R
Type: BBB40 triple block with swivel head
Sheave Size: 40mm
Maximum Rope Size: 10mm
Safe Working Load: 650kg
Breaking Load: 1300kg
Pin Diameter: 5mm
Design: Triple sheave system providing up to 6:1 purchase
Applications: Mainsheet systems, vang controls, and sailing control line systems
A durable marine block designed to deliver smooth operation, reduced friction, and reliable performance for sailing and rigging applications.