Ronstan RF681 Series 30 Utility Block, Single Becket with Loop Head

Series 30 Utility Block - Single, Becket, Loop Head

Features:

• Lightweight durable construction
• Economical
• Maintenance free

Product Information:

Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.

Applications:

• Vang, cunningham and trapeze retriever systems on dinghies
• Leech line tackles, bunk adjusters etc on larger yachts

Materials:

• U.V. stabilized Acetal sheaves
• Grade 316 stainless steel cheeks

Ronstan RF681 Series 30 Utility Block is a compact, lightweight block designed for sailors and boat owners who need dependable line handling in dinghy and yacht control systems. Its single sheave, becket-compatible loop head, and durable construction make it a practical choice for vang, cunningham, trapeze retriever, leech line, and bunk adjustment applications.

Built with Grade 316 stainless steel cheeks and UV-stabilized Acetal sheaves, this Ronstan utility block is designed for durability in marine environments. The stainless steel cheeks provide a robust structure, while the Acetal sheave material supports reliable line movement and long service life. The block’s lightweight construction helps support efficient rigging without adding unnecessary weight.

The hollow rivets in the block head can be fitted with shackles, and the shackle arrangement can also be used to add a becket for extra purchase. This flexible design allows the RF681 to adapt to different rigging setups while maintaining a compact footprint. Use it on dinghies for vang, cunningham, and trapeze retriever systems, or on larger yachts for leech line tackles, bunk adjusters, and similar applications.

Key Features:

• Feature: Lightweight, durable construction for practical marine rigging applications.
• Feature: Single utility block with a loop head and becket-compatible design.
• Feature: Stainless steel cheeks and UV-stabilized Acetal sheave for long service life.
• Feature: Maintenance-free design helps simplify ongoing use.
• Feature: Suitable for dinghy control systems and selected yacht adjustment tackles.

Product Details:

• Brand: Ronstan
• Part Number: RF681
• Product Type: Series 30 utility block
• Configuration: Single, becket, loop head
• Sheave Material: UV-stabilized Acetal
• Cheek Material: Grade 316 stainless steel
• Weight: 0.96 lb
• Applications: Vang, cunningham, trapeze retriever systems, leech line tackles, and bunk adjusters

Choose the Ronstan RF681 Series 30 Utility Block for a durable, adaptable solution to everyday sailboat rigging needs.

SEO Meta Description: Ronstan RF681 Series 30 utility block with single becket and loop head, stainless steel cheeks, and UV-stabilized Acetal sheave for marine rigging.

Features:

• Lightweight, durable construction for practical marine rigging applications.

• Single utility block with a loop head and becket-compatible design.

• Stainless steel cheeks and UV-stabilized Acetal sheave for long service life.

• Maintenance-free design helps simplify ongoing use.

• Suitable for dinghy control systems and selected yacht adjustment tackles.