18mm Light-Weight Block C420 Optimist deckcollar with an oval

Optimist deckcollar with an oval and tapered inner diameter

XHL blocks have been designed to deal with extremely high static loads without compromising on low load dynamic performance

All boom end fittings are made of high quality glass fibre filled nylon

Why Choose PolarWave 18mm Triple Blocks

-Exceptional high breaking load of 500 kg

18mm Light-Weight Block C420 Optimist deckcollar with an ovalUnleash the power of PolarWave with the ultimate 18 mm sailing block with plastic swivel. The one you can not compare with any other block. Engineered to deliver unparalleled strength, lightness and resilience, this sailing block sets a new standard in durability and reliability for marine enthusiasts. The reinforced single piece fiber construction ensures unparalleled durability, while the high quality stainless steel bearing and rivet ensure smooth