A stiffer 45 mm racing boom which is suitbale for the more experienced, heavier weight sailors. The MK4 45 mm boom for the Optimist is suitable for sailors above 45 kg.
- High grade alloy, dark grey anodized
- Glass fibre filled nylon in- and outboard end fittings
- Glass fibre filled nylon V-shaped outhaul cleat
- Glass fibre filled nylon lacing eyes
- Fitted with outhaul trim strip
- 3 mm Dyneema boom preventer line
- 3 mm Dyneema / Cordura outhaul line
- 3 mm Dyneema bridle with stainless steel ring
- 3 mm Dyneema primary vang line
- 6 mm Dyneema / Cordura secondary vang line
