• Ronstan Series 50 All Purpose Block - Single Stand Up
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Ronstan

Ronstan Series 50 All Purpose Block - Single Stand Up

Ronstan Series 50 All Purpose Block - Single Stand Up

OM-RONSTAN-SERIES50ALL-RF51140

$51.77
$60.91 $51.77
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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 sheets, halyards and control lines with the Ronstan Series 50 All Purpose single stand-up block. For cruising and racing boats, its self-lubricating sheave handles moving loads and high static loads with low friction.

Key features

  • A self-lubricating acetal sheave runs on polished stainless steel races to reduce friction.
  • The Captive Lock universal head can stay fixed in either of two planes or swivel to suit the line arrangement.
  • A slotted shackle pin helps keep lines from fouling.
  • Impact- and UV-resistant nylon cheeks help the block withstand outdoor use.
  • Low maintenance requirements reduce routine upkeep.

Specifications

  • Brand: Ronstan
  • Series: 50 All Purpose
  • Configuration: Single stand-up block
  • Sheave material: Acetal polymer
  • Race material: Polished stainless steel
  • Load strap material: Grade 316 stainless steel
  • Cheek material: Fiber-reinforced nylon
  • Mounting fasteners: Two 5mm fasteners
  • Listed applications: Mainsheets, halyards, vang and spinnaker control lines on boats up to 10m (33ft)

Good to know

The two mounting fasteners are not supplied.

Specifications

BrandRonstan
Manufacturer part #RF51140
UPC9316800334599
Boxed dimensions5 x 3 x 1 in
Shipping weight0.3 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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