Description
Series 50 All Purpose Block – Triple
Features:
- Exceptionally high working loads
- Low maintenance, long service life
- Self-lubricating Acetal polymer sheave ensures low friction and extreme durability
- Slotted pin shackle eliminates fouled lines
- Lockable swiveling head post
- Snap fit removable becket pin
All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.
Applications:
- Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10m (33ft)
- S60 – on boats up to 12m (40ft)
Materials:
- Grade 316 stainless steel load strap
- Impact and UV resistant, fiber reinforced Nylon cheeks
Explore more from our collection.
![Ronstan Series 50 All Purpose Block - Triple [Rf51300] 1](https://carpartsunited.shop/wp-content/uploads/2026/05/ronstan-series-50-all-purpose-block-triple-rf51300-1.webp)
![Barton Marine Laser Replica 15:1 Boom Vang Assembly [98075] 1](https://carpartsunited.shop/wp-content/uploads/2026/05/barton-marine-laser-replica-151-boom-vang-assembly-98075-1.webp)
![Barton Marine Series 5 Fiddle Swivel Block - 54Mm [N05430] 1](https://carpartsunited.shop/wp-content/uploads/2026/05/barton-marine-series-5-fiddle-swivel-block-54mm-n05430-1.webp)
![Barton Size 5 54Mm Plain Bearing Pulley Block Double Block Swivel [N05230] 1](https://carpartsunited.shop/wp-content/uploads/2026/05/barton-size-5-54mm-plain-bearing-pulley-block-double-block-swivel-n05230-1.webp)
Reviews
There are no reviews yet.