![Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453] by Ronstan -](https://cdn.shopify.com/s/files/1/0623/5298/2222/files/55219XL.webp?v=1747189486)
15% off
Price history at Lotz Outdoors
Price at Lotz Outdoors unchanged at $32.24 since Oct 9, 2026. Last checked Nov 15, 2026.
Product Description
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 fasteningApplications:Typically used in dinghy spars for control lines such as outhaulsMaterials: NylatronA(R) sheave Grade 316 stainless steel load housing Specifications:Sheave ;:t22mm(7/8")Max. Rope ;:t3mm(1/8")Max. Cable ;:t3mm(1/8")Fastener ;:t5mm(3/16")M.W.L.:t160kg(350lbs)B. L.:t350kg(700lbs)Weight:t30g(1.1oz)
Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]
$32.24
$37.93
15% Discount
You save $5.69
In Stock
at Lotz Outdoors
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Product Details
Brand
Ronstan
Price history at Lotz Outdoors
Price at Lotz Outdoors unchanged at $32.24 since Oct 9, 2026. Last checked Nov 15, 2026.
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