RS PRO 3/4in Nylon BacknutA hardwearing and secure back nut providing a watertight seal on taps, suitable for new installations or repair work and simple to install with minimum tools and experience.The plastic back nut is constructed from Nylon for its excellent strength along with its natural heat and corrosion resistance for a durable and leak proof back nut suitable for both indoor and outdoor applications.Features and Benefits3/4in backnutNylon constructionCorrosion resistantSuitable for outdoor and indoor useWhy RS PRO?RS PRO is the own brand of RS. The RS PRO Seal of Approval is your assurance of professional quality, a guarantee that every part is rigorously tested, inspected, and audited against demanding standards. Making RS PRO the Smart Choice for our customers.