The HD Series mount is our hull to deck mounting system which does exactly that. The resilient Deck Support System provides a means supporting/tuning the deck structure to reduce the effects of vibration harmonics. The design is comprised of polymer flanges top and bottom, and ball and resilient socket joints, top and bottom, which allow a maximum of 15 degrees inclination each. - a stainless steel adjusting stud and locking nuts -the aluminium tube is supplied by the installer, as its length is application dependent. Themoulded components are manufactured from Polénite™a special range ofengineering heat cured polymer alloys. All our components are proudly designed and manufactured by Poly Flex.