Shop › Boom Shock Cord Image 1 of 2 Image 2 of 2 Boom Shock Cord $5.00 21 feet - Replacement cord that runs through the carbon fiber boom.(this is not the pull cord) Quantity: Add To Cart Added! 21 feet - Replacement cord that runs through the carbon fiber boom.(this is not the pull cord) Reviews Reviewer Name Review Date Star Rating Description Posted on Etsy Product Show More