Ronstan Series 30 Ball Bearing Orbit Block™, Double with Becket RF35212 bags requiring expensive and time-consuming grinding

requiring expensive and time-consuming grinding and sanding to remove marine growth at every haul-out

A complete kit for protecting your valuable Opti daggerboard

minimum stretch and shrinkage

Outboard end for 32mm standard Optimist boom

for Optimist blades up to 15 mm thick

Ronstan Series 30 Ball Bearing Orbit Block™, Double with Becket RF35212 bags requiring expensive and time-consuming grindingSERIES 30 BALL BEARING RF35212 FEATURES Lightweight Highest working load in its class Secure, versatile attachment Ultra low profile thru sheave becket. Low friction 2 stage ball bearing system provides consistent performance over the full working load range. SP versions feature a Nylatron sheave suitable for both rope and wire Sheave 30 mm Max. Rope 8 mm Max. Cable mm Pin mm M. W. L. 450 kg B. L. 900 kg Weight 57 g