Series 50 All-Purpose Fiddle Block
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RONSTANSeries 50 All-Purpose Fiddle Block


In stock online.
Model # 149992 | Mfg # RF51500UPC # 9316800241330


Series 50 All-Purpose Fiddle Block

Name Value
Ball Bearings Low Friction Bearings
Becket No Becket
Diameter 3/8 Inch or 10 mm
Direction Any
Integral Cleat No Integral Cleat
Mount Type Swivel Shackle
Ratchet Non Ratcheting
Safe Working Load 1650 Pounds
Sheave Diameter 50 mm
Type Single Fiddle
Weight 5.9 Ounces

Product Overview

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. The Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.

  • High working load
  • Low maintenance, long service life
  • Sheave Size: 54 + 34 mm
  • Line Diameter: 10 mm
  • Lockable swiveling head post
  • 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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