The Ronstan Series 30 Single Loop Top Block is a lightweight and durable solution for a variety of sailing applications. Designed with stainless steel cheeks and an Acetal sheave, this block provides a long service life with minimal maintenance required.
Features:
- Maintenance-free construction
- UV-stabilized Acetal sheave
- Grade 316 stainless steel cheeks
- Hollow rivets in the block head accommodate shackles or an added becket for extra purchase
- Suitable for vang, cunningham, trapeze retriever systems, leech line tackles, and bunk adjusters
Specifications:
- Sheave diameter: 29mm (1-1/8 in.)
- Maximum rope diameter: 8mm (5/16 in.)
- Maximum working load: 300kg (660 lbs.)
- Breaking load: 600kg (1,320 lbs.)
- Weight: 20g (0.7 oz.)
- Manufacturer Part Number: RF280
Product facts
- CT SKU
- CT-103690
- Model / MPN
- RF280
- UPC / GTIN
- 9316800033638
- Package dimensions
- 1" X 2" X 3"
- Package weight
- 0.05 lb
Shipping & returns
Shipping & returns
Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.
Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
