Ronstan
Ronstan RF453 Nylatron Sheave Box - Single Upright Lead Block
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- SKU:
- 18036474
- MPN:
- rf453
- Availability:
- Usually ships the same or next business day. In stock at our FL, NJ warehouses.
- Shipping:
- Calculated at Checkout
- Stock Update:
- 12/08/2025 06:25:39 PM PST
Bulk discount rates
Below are the available bulk discount rates for each individual item when you purchase a certain amount
| Buy 2 | and pay only $34.10 each 34.1 |
| Buy 3 or above | and pay only $31.61 each 31.61 |
- Stock Update:
- 12/08/2025 06:25:39 PM PST
Description
This item is brand-new, factory sealed.
Nylatron Sheave Box - Single Upright Lead BlockLead 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)
Warranty Information
All Items are Brand New, Factory Sealed and come with a standard warranty. [Read our policies]
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Ronstan RF453 Nylatron Sheave Box - Single Upright Lead Block
$38.71