1/2" OD X 5/16" OD Reducing Coupling - WADE-4051/5 Outer Diameter: 1/2" Outer Diameter: 5/16" MPN: WADE-4051/5 Product Code: WADE-4051/5 This is an online offer only for a Limited Time! Availability: In stock Only £9.07 incl VAT. Delivery available to UK/Europe |