Ronstan Series 30 Ball Bearing Orbit Block™, Double with Becket RF35212 bags for Optimist blades up to

for Optimist blades up to 15 mm thick

The thin profile ensures very little air turbulence around key areas like the ears and the back of the head to avoid discomfort

Outboard end for 32mm standard Optimist boom

minimum stretch and shrinkage

ANTI-SLIP BASETo help avoid unwanted movement while on the deck or in the cabin

Ronstan Series 30 Ball Bearing Orbit Block™, Double with Becket RF35212 bags for Optimist blades up toSERIES 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