3 mm Dyneema boom bridle with stainless steel ring, as supplied on all Optimax booms.
Optimist halyard system with 3 mm Dyneema with spliced loops and supplied with the Harken hook-in block and 29 mm Harken tie-lite block.
Aluminium clamcleat as supplied on all Optimax spars for downhaul and halyard.
Replacement Optimist halyard line with low friction ring spliced on.