Overview
Fit a wire block without cutting off the wire termination using this Ronstan model's removable sheave. Suitable for halyards, vangs and backstays, it pairs a 45mm Nylatron® sheave with grade 316 stainless steel cheeks.
Key features
- A removable sheave lets you fit the block while keeping the wire termination intact.
- Flared cheeks help reduce chafing.
- The narrow sheave and groove are shaped for wire applications.
- Suitability for halyards, vangs and backstays gives you several rigging uses.
Specifications
- Head type: Tubular rivet
- Sheave diameter: 45mm (1-3/4 inches)
- Maximum cable diameter: 6mm (1/4 inch)
- Maximum working load: 850kg (1,870lbs)
- Breaking load: 1,700kg (3,740lbs)
- Cheek material: Grade 316 stainless steel
- Sheave material: Nylatron®
- Sheave configuration: Removable
Specifications
| Brand | Ronstan |
|---|---|
| Manufacturer part # | RF103 |
| UPC | 9316800067466 |
| Boxed dimensions | 5 x 2 x 1 in |
| Shipping weight | 0.2 lb |
| Country of origin | ID |
Shipping & returns
Free standard shipping
Standard shipping is free on every U.S. order — no minimum. Need it faster? Faster delivery options are available at checkout for qualifying orders. In-stock orders ship quickly with tracking; oversized and freight items may ship separately and can take a little longer. International rates are calculated at checkout.
30-day returns
Request a return within 30 days of delivery. Authorized returns are subject to a 15% restocking fee. Return shipping is paid by the buyer; items must be new and in original packaging. See our refund policy.
Genuine products
We source from authorized U.S. distributors. Every product is new, genuine and covered by the manufacturer warranty.
Similar items you may like
Popular in Blocks
Top deals right now
Genuine products
Genuine products, full warranty.
Fast, tracked shipping
On in-stock marine gear.
Expert support
Talk to people who know the gear.
Secure checkout
Protected payments via Shopify.
