Parts › DinghyGo/OptiParts outboard end for 40mm boom Image 1 of 1 DinghyGo/OptiParts outboard end for 40mm boom $25.00 Outboard end for 40mm boom. Made of fiberglass reinforced nylon. Get notified by email when this product is in stock. Add To Cart Added! Outboard end for 40mm boom. Made of fiberglass reinforced nylon. Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More