3/8" OD X 5/16" OD Reducing Coupling - WADE-4048/5 Outer Diameter: 3/8" Outer Diameter: 5/16" MPN: WADE-4048/5 Product Code: WADE-4048/5 This is an online offer only for a Limited Time! Availability: In stock Only £5.15 incl VAT. Delivery available to UK/Europe |