ARB45 - 45 mm Automatic Ratchet Block, Single, Aluminium sheave Halyard shackle A "Do-it-yourself" kit based on

A "Do-it-yourself" kit based on a ø77 mm carbon spinnaker pole section with Seldén series 534-854 composite end fittings with Dyneema loops for lift and downhaul

The Genoa Sheet Car 30 is laquered aluminium with slide rods and a ø50 mm V-shaped Acetal sheave supported by a rubber stand up

L-MIN: 518 mm

30 mm x 2500 mm long standard track with holes for M6 fasteners

The RBB60 Single Becket Roller Bearing Block is designed for high load

ARB45 - 45 mm Automatic Ratchet Block, Single, Aluminium sheave Halyard shackle A "Do-it-yourself" kit based onAPPLICATIONS Dinghy main sheets. Dinghy spinnaker Gennaker sheets TECHNICAL FEATURES The block is designed with lightweight Delrin ball bearings and comes with an aluminium sheave for more grip when using it for a thin line. The sheave automatically changes from free turning to ratchet when the load increases. The sailor decides when the automatic ratchet kicks in. The switch over point is set using an allen key to adjust a screw inside the sheave.