Ronstan Series 55 Single Orbit Cheek BB Block Annin It features a grab loop

It features a grab loop at both ends

or more commonly

3/4 HOSE BARB TEE BR

Keep your propeller free from rope

Ronstan Series 55 Single Orbit Cheek BB Block Annin It features a grab loopThe orbital ball bearing arrangement gives the largest possible bearing race diameter. This maximises load performance. The proven Ronstan 2 stage bearing system features high compression grade acetal ball bearings and a secondary full contact bearing. This gives minimum friction across the full working load range. Applications Mainsheet systems on dinghies, sportsboats and small keelboats to 9m (30ft) Spinnaker sheets on dinghies, sportsboats and