Ronstan Series 20 Ball Bearing Single Cheek Block, rivet mount RF20151A knives Daggerboard insert for Optimist

Daggerboard insert for Optimist

Durable Nylon Spandex with UPF 50+ sun protection and smooth

105 mixtures will bridge gaps and fill voids when modified with WEST SYSTEM fillers and can be sanded and shaped when cured

Over inflated buoyancy bags may burst when heated up by the sun or rising temperatures

550 kg Weight 10 g

Ronstan Series 20 Ball Bearing Single Cheek Block, rivet mount RF20151A knives Daggerboard insert for OptimistSERIES 20 RF20151A FEATURES Low friction High static and dynamic load capacity Lightweight Suitable for screw or pop rivet mounting Sheave 20 mm Max. Rope 6 mm Max. Cable mm Pin mm M. W. L. 200 kgB. L. 550 kg Weight17 g