5/16" X 1/4" OD Reducing Brass Coupling - RDC516-14 Outer Diameter: 5/16" Outer Diameter: 1/4" MPN: RDC516-14 Product Code: RDC516-14 This is an online offer only for a Limited Time! Availability: In stock Only £5.18 incl VAT. Delivery available to UK/Europe |