Series 50 All-Purpose Double Block
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RONSTANSeries 50 All-Purpose Double Block


In stock online.
Model # 149968 | Mfg # RF51200UPC # 9316800241231


Series 50 All-Purpose Double Block

Name Value
Ball Bearings Low Friction Bearings
Becket No Becket
Diameter 1/2 Inch or 13 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 2200 Pounds
Sheave Diameter 50 mm
Type Double
Weight 8.9 Ounces

Product Overview

This multi-purpose block is a great choice for sheets, halyards and control lines.

This all-purpose block is a great all around solution. A self-lubricating Acetal polymer sheave ensures low friction and is extremely durable. This block is the right choice for sheets, halyards and control line applications for cruising and racing. Head post free swivels for correct load and sheet alignment.

Key Features

  • High working load limit
  • Low maintenance, long service life
  • Sheave Size: 2" (50mm)
  • Line Diameter: 1/2" max.
  • Slotted pin shackle eliminates fouled lines
  • Grade 316 stainless steel load strap
  • Impact and UV resistant, fiber reinforced Nylon cheeks
  • Self-lubricating Acetal polymer sheave ensures low friction and extreme durability


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