Ronstan Series 50 High Load Block - Single - Universal Head [RF50100HL]

by Ronstan
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SKU 55247
Manufacturer Part Number: RF50100HL
UPC #: 9316800241453
Category: Blocks

Series 50 High Load Block - Single - Universal Head

Ideal for high load applications. Wear resistant sheave material, in lightweight, self lubricating polymer, is suitable for use with rope or wire.Captive Lock™ universal head can be fixed in either of two planes, or free to swivel as required.


  • Exceptionally high working loads
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • Suitable for both rope or wire
  • Captive Lock™ universal head
  • Slotted pin shackle eliminates fouled lines

  • Mainsheet
  • Spinnaker sheets
  • Halyards and other primary applications on boats up to 10M(33')

  • Nylatron® sheave
  • Grade 316 stainless steel load strap and head fitting
  • Impact and U.V. resistant, fiber reinforced Nylon cheeks

Sheave Ø:t50mm(2")
Max. Rope Ø: 12mm(1/2")
Max. Cable Ø:5mm(3/16")
Max. Pin Ø: 5mm(3/16")
B. L.:t1,500kg(3,310lbs)

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