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Barton Single Block with Reverse Shackle Size 1 30mm Sheave

A strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft.

Removable shackle that can be set in-line or at 90° to the sheave

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: 82mm
  • Weight: 51g

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.
  • Maximum rolling load on ball bearing blocks is the maximum free running load before ball bearings will distort.

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