Series 50 All-Purpose Single High Load Block
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RONSTANSeries 50 All-Purpose Single High Load Block


In stock online.
Model # 160833 | Mfg # RF50100HLUPC # 9316800241095


Series 50 All-Purpose Single High Load 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 1764 Pounds
Sheave Diameter 50 mm
Type Single
Weight 4.1 Ounces

Product Overview

A strong, durable and economical block with a unique Captive Lock™ universal head fitting that allows the block to be fixed in either of two planes, or to swivel freely. The sheave runs on low-fiction, very low-maintenance solid bearings. Loads are transferred directly from the sheave axle to the head post by the one-piece 316 stainless steel load straps.

  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Nylatron® sheave
  • Bearings: Low-friction plain bearings
  • Sheave Size: 2" (50mm)
  • Line Diameter: 1/2" max.
  • Grade 316 stainless steel load strap and head fitting
  • Shackle/Strap Type: Universal head shackle. Either locks (0° or 90°) or swivels


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