Outhaul System - Top Of Boom - Harken 29mm Zircon Blocks

Top of Boom Outhaul System using Harken's amazing new 29mm Zircon blocks.  Primary line is 3mm SK78 Dyneema in dark grey and a range of colours.  The 4mm secondary control line rope fitted to this top of the range outhaul is Robline Polytech line which has a Technora®/ Polyester cover.  Choose the primary line, secondary control line colour and the length of line for the handle type that you like to use.  If you want the system optimised for the 4.7 rig select that option under 'System Options' at the bottom of this page.