Ronstan
Ronstan Nylatron Sheave Box - Single Upright Lead Block
Ronstan Nylatron Sheave Box - Single Upright Lead Block
SKU:55219
In stock
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- Genuine brand-name parts
- Ships from US warehouse
- 30-day returns
Nylatron Sheave Box - Single Upright Lead Block Lead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an inverted position, are frequently used as upright leads. Features: The external tabs can be formed to fit the spar profile before fastening Applications: Typically used in dinghy spars for control lines such as outhauls Materials: Nylatron® sheave Grade 316 stainless steel load housing Specifications: Sheave Ø: 22mm(7/8") Max. Rope Ø: 3mm(1/8") Max. Cable Ø: 3mm(1/8") Fastener Ø: 5mm(3/16") M.W.L.: 160kg(350lbs) B. L.: 350kg(700lbs) Weight: 30g(1.1oz)
| Brand | Ronstan |
|---|---|
| Manufacturer part number | RF453 |
| UPC / GTIN | 9316800000425 |
| Weight | 0.04 lb |
| Category | Marine & Boating |
| Condition | New — genuine brand-name product |
Shipping & delivery
Shipping & delivery
Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.
Returns & warranty
Returns & warranty
Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.
Fitment & part numbers
Fitment & part numbers
Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.
