Ronstan Series 40 BB Single Utility Block - Loop Head Rope Size:10 mm using the breather on the

using the breather on the rear of the can

they will not become sticky when exposed to sunlight

to create a vacuum

- Makes surface so slick that rain and wet weather deposits literally slide off

3M Scotch VHB white mounting double sided tape

Ronstan Series 40 BB Single Utility Block - Loop Head Rope Size:10 mm using the breather on theRonstan 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)