Frederiksen 60 mm Ratchet Block

SKU: 21255
Item In Stock
The Frederiksen ratchet block is legendary. It is light and very strong for optimal performance. The ratchet has a small distance between each click to enhance control of sheets. This is the ideal Laser mainsheet block.

From Ronstan: The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 14:1 holding power. Unrivaled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired), and for foot blocks simply turn the sheave upside down before installation to change the sense of rotation. Unique On-Off switch mechanism can be operated under load.



  • Unrivaled 14:1 holding power
  • Dual sided On-Off switch
  • Low friction ball bearing system
  • Lightweight
  • Cheek cut-outs for easy bearing maintenance
  • High strength forged shackle

Additional Info

Additional Info

Specifications No
SKU 21255
UPC 9316800209101
Manufacturer Ronstan
MPN RF62100
Condition New
Line Diameter 11mm (7/16")


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