5/16" OD X 3/16" OD Reducing Coupling - WADE-4045/1 Outer Diameter: 5/16" Outer Diameter: 3/16" MPN: WADE-4045/1 Product Code: WADE-4045/1 This is an online offer only for a Limited Time! Availability: In stock Only £5.15 incl VAT. Delivery available to UK/Europe |