I was looking to replacing my mainsheet block with a new Frederickson one and was wondering what size is best for a Laser. I will usually be using a 7mm Rooster mainsheet. My guess was a 60mm block??
Ronstan-Frederiksen Series 60 (60 mm) ratchet (Model No. RF62100) is the one to use for the Laser. It has a max rope diameter of 10 mm (3/8") and weighs in at 126 g. Its on/off switch is fitted on both sides of the block.
Note that Frederiksen is now "integrated with" Ronstan, and a new Frederiksen block you purchase now may even read be identified as "Rostan".
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