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Barton Double Upright Block, Size 1-30mm Sheave

A strong, lightweight block ideal for use on dinghies and dayboats or as lead blocks on larger craft, with or without fairlead.

Fairlead prevents line from falling when not under load, fastening 5mm
Barton plain bearing blocks have a precision moulded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads
Techy Bits & Dimensions
  • Sheave size: 30mm x 12mm (1 3/16 x 15/32")
  • Max rope diameter: 8mm (5/16") 
  • SWL: 350kg (771lbs)
  • Break load: 700Kg (1543 lbs) 
  • Length: 53mm
  • Weight 89g
Important note - break loads 
  • Where break and safe working loads are stated, it is assumed that all sheaves are evenly loaded as in a purchase tackle. Uneven loading, or loading of one sheave in a double or triple block, will severely affect strength quoted. If unsure, please seek further assistance.

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