CW70600 - Ronstan Series 40 All Purpose Block - Triple - Swivel Head

Series 40 All Purpose Block - Triple - Swivel Head

Features:

• Exceptionally high working loads
• Low maintenance, long service life
• Self-lubricating sheave
• Slotted pin shackle eliminates fouled lines
• Two way head post
• Spare parts - RF41010 Replacement Becket Pin, RF150 Shackle

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.

Applications:

• Mainsheet
• Halyard
• Vang
• Spinnaker control lines on off-the-beach catamarans, one design classes and sportsboats up to 8m (26ft)

Materials:

• U.V. stabilised Acetal sheaves
• Impact and U.V. resistant, fibre reinforced Nylon cheeks
• Grade 316 stainless steel bearing race
• Grade 316 stainless steel load strap and head fitting
• Sheave: UV stabilised acetal
• Cheeks: Impact modified, fiber reinforced and UV stabilized nylon

The Ronstan Series 40 All Purpose Block - Triple - Swivel Head (part number CW70600) is a robust component designed for managing lines in various marine applications. This block features a triple sheave configuration with a swivel head, providing flexibility in line routing and load distribution. It is engineered for environments requiring high working loads and consistent performance over time.

Constructed with UV-stabilized Acetal polymer sheaves and Grade 316 stainless steel components, this block offers low maintenance and extended service life. The self-lubricating sheaves minimize friction, making it suitable for both dynamic and high static load applications. It addresses the need for reliable line control in systems such as mainsheets, halyards, vangs, and spinnaker control lines on catamarans, one-design classes, and sportsboats up to 8 meters (26 feet). This product is intended for marine professionals and enthusiasts seeking durable and efficient hardware for rigging systems.