Foiling Mechanism and Bow Sprit Home / Online Shop / International Moth / Foil Parts / Foiling Mechanism and Bow Sprit Utility Tube Bush 12mm Utility Tube Bush 12mm £7.08(£5.90 excl Tax) Stock Status: In Stock Information Specifications 1 required per hull. Sits into the front end of the utility tube to prevent the rope from wearing the tube. Product Code: MBSH13.2