PT Coupling CF60271515 Series CF15CX15C Contractor Aluminum Cam and Groove Hose Fitting, C x C Couplers Sockets, Stainless Steel Cam Arms, 1-1/2" x 1-1/2" Coupler Couplers (Sockets) for connecting cam and groove-style fittings together Female Coupler connections on both ends Aluminum body for corrosion and abrasion resistance and light weight A356-t6 grade aluminum