Ronstan Series 40 BB Stand-up Single Utility Block - Swivel Shackle Head Sheave Diameter:40 mm textured material

textured material

Polycarbonate frame / lens

Ø1: 22 mm

fitted with locking cap

Efficient performance for larger craft where high output is vital

Ronstan Series 40 BB Stand-up Single Utility Block - Swivel Shackle Head Sheave Diameter:40 mm textured materialRonstan RF40140 Series 40 Ball Bearing Stand up Single Utility Block Swivel Shackle Head Low friction acetal bearing system Lightweight Cheek cut outs for easy bearing maintenance Captive Lock universal head 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