- Home /
- Stainless Steel Marine and Hardware Supplies /
- Yacht Fittings /
- Pulley Blocks /
- Block BBB25 SINGLE, LOOP
Shop Now
- Balustrades & Fencing
- Building and Construction Supplies
- Consumables
- Hydraulic hose Service
- Materials
- Plonkit
-
Stainless Steel Fasteners
- Assortment trays
- Bolt Products
- Decking/Cladding Screws
- Lag Screws
- Masonry
- Metal Thread Screws
- Miscellaneous Fasteners
- Nails
- Nut Products
- Rivets
- Self Drilling Screws
- Self Tapping Screws
- Socket Drive Metal Threads
- Threaded Rod
- Washer Products
- Stainless Steel Marine and Hardware Supplies
-
Tools
- Abrasives
- BORDO Taps and Dies
- Drilling
- Driver Bits
- Hand Tools
- IMPACT SOCKET
- Thread Repair
- Wire/Rigging
- Workwear
Block BBB25 SINGLE, LOOP
Selden Block BBB25 Single, Loop – S402-201-04R
The Selden BBB25 Single Loop Block is a compact ball-bearing pulley designed for smooth rope handling in light to medium-duty marine rigging systems. Featuring a 25 mm ball-bearing sheave and a loop attachment, this block provides extremely low friction while allowing flexible mounting with rope, webbing or lashings.
Constructed with glass fibre reinforced composite cheeks and stainless steel load components, the BBB25 block offers excellent durability and corrosion resistance in marine environments. It is commonly used in traveller systems, control lines, flag halyards and other light-duty rigging applications where smooth line movement and dependable performance are required.
Key Features
Part Number: S402-201-04R
Brand: Selden
Block Type: BBB25 Ball Bearing Block
Configuration: Single block with loop attachment
Sheave Size: 25 mm
Maximum Rope Size: 8 mm
Safe Working Load: 300 kg
Breaking Load: 600 kg
Ball-bearing sheave for smooth, low-friction operation
Loop attachment for flexible lashing or rope mounting
Glass fibre reinforced composite cheeks to reduce line jamming
Stainless steel load components for strength and durability
A compact and dependable Selden block designed for smooth rope control and reliable performance in marine rigging systems.