• Ronstan Series 40 All Purpose Block - Single Upright Lead
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Ronstan

Ronstan Series 40 All Purpose Block - Single Upright Lead

Ronstan Series 40 All Purpose Block - Single Upright Lead

OM-RONSTAN-SERIES40ALL-RF41171

$49.70
$58.47 $49.70
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FREE Standard Shipping On every U.S. order — no minimum. Faster delivery options are available at checkout for qualifying orders.

Low stock: 1 left
Free standard shipping · every U.S. order, no minimum
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Genuine product · full manufacturer warranty
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Overview

Route halyards or other rig controls back to cleats or jammers with the Ronstan Series 40 single upright lead block. Suited to high-load duties, this low-profile block is typically used at the mast base and accepts rope or wire.

Key features

  • A low-profile layout helps lead rig controls back to their cleats or jammers.
  • A wear-resistant sheave supports demanding line-routing duties.
  • Self-lubricating polymer provides a lightweight sheave for rope or wire use.
  • High-load suitability makes it useful for halyard leads at the mast base.

Specifications

  • Series: 40 All Purpose
  • Configuration: Single upright lead block
  • Sheave material: UV-stabilised acetal
  • Load housing material: Grade 316 stainless steel
  • Line compatibility: Rope or wire

Specifications

BrandRonstan
Manufacturer part #RF41171
UPC9316800557394
Boxed dimensions4 x 2 x 1 in
Shipping weight0.15 lb

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.

Genuine products

Genuine products, full warranty.

Fast, tracked shipping

On in-stock marine gear.

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