Ronstan Series 40 Block - 40 mm (1 9/16") - RF41111
Item: #879836 | Part Number: RF41111
The Ronstan Series 40 Block 40 mm (RF41111) is a versatile, low-maintenance block designed for cruising and racing control lines. Featuring self-lubricating Acetal sheaves on stainless steel bearings, it delivers smooth performance under both dynamic and high static loads. Durable materials and a fouled-line-resistant shackle make it ideal for mainsheets, halyards, and fine-tune control systems.
Ronstan Series 40 Block - 40 mm (1 9/16") - RF41111 Item # 879836
Description
The Ronstan 40 mm Series 40 Block with Becket and Loop Head (RF41111) is a great all-purpose block. The 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.
Features:
- Low maintenance, long service life
- Self-lubricating sheave
- Slotted pin shackle eliminates fouled lines
- Applications:
- Mainsheet
- Halyard
- Vang
- Mainsheet and halyard applications, vang and spinnaker control lines on boats to 8 m (26 ft.)
- Ideal for fine-tune mainsheet tackles, cunninghams, backstays and other control line purchase systems
Specifications:
- Safe working load: 880 lbs (400 kg)
- Breaking load: 2200 lbs (1000 kg)
- Weight: 2.2 oz. (61 g)
- Sheave diameter: 1 9/16" (40 mm)
- Maximum line size: 7/16" (11 mm)
- Materials:
- U.V. stabilized Acetal sheaves
- Grade 316 stainless steel bearing race
- Grade 316 stainless steel load strap and head fitting
- Impact and UV resistant, fiber reinforced nylon cheeks