Description

The Ronstan Series 40 All Purpose Block, Double, is a double sheave all purpose block with swivel shackle head (non-locking). A self-lubricating Acetal polymer sheave running on polished stainless steel races performs 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.

Features

• Low friction, high performance, fiber reinforced polyamide sheave and cheeks, with precision moulded, UV stabilized Acetal sheaves running on stainless steel balls
• Sheave is self-lubricating
• High static and dynamic load capacity
  
• Grade 316 stainless steel load strap, head fitting, and bearing race
  

Specifications

• Maximum rope diameter: 3/8 in. (9mm)
• Maximum working load: 1320 lbs.
• Sheave diameter: 1-9/16 in.
• Breaking load: 2650 lbs.
• Weight: 4.8 oz.
• Pin diameter: 3/16 in.

Specifications

• Weight: 200gr
• Usage: Indoor & outdoor

Pros and cons

• Sustainably produced
• Ideal for everyday use
• May discolor in direct sunlight