Ronstan Series 40 BB Single Utility Block - Loop Head Rope Size:10 mm to create a vacuum

to create a vacuum

Whale foot operated MK3 Gusher Galley pump

The GPS data source is selectable from internal and external GPS receiver

Low profile and compact

Ronstan Series 40 BB Single Utility Block - Loop Head Rope Size:10 mm to create a vacuumRonstan Series 40 Ball Bearing Single Utility Block, Loop Head RF40101 Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Low friction, 2 stage ball bearing system High static and dynamic load capacity Lightweight Cheek cut outs for easy bearing maintenance Applications Mainsheet Halyard Vang Spinnaker control lines on off the beach catamarans, one design classes and sportsboats up to 8m (26ft)