Ronstan Series 45 BB Single Core Block - Swivel Shackle Head Sheave Diameter:45 mm canvas and vinyl

canvas and vinyl

metal and plastics

built-in stress indicator and welded O-ring for improved security offshore

Also used as an aid to sealing and densifying soft timber type surfaces to reduce moisture uptake

including single-stage

Ronstan Series 45 BB Single Core Block - Swivel Shackle Head Sheave Diameter:45 mm canvas and vinylRonstan RF44100 Series 45 Ball Bearing Single Core Block Swivel Shackle Head High dynamic and static load capacity Efficient 2 stage bearing system Ball bearings to counteract side thrust loads Class leading performance and sleek, contemporary styling Durable aluminium alloy cheek plates Central hub can be used as a becket take off or tie up point, max 11. 5mm line Applications Ideal for mainsheet, halyard and spinnaker sheet applications on boats to