Product Description Product Introduction Pin lug couplings Aluminum with brass nut and nbr washers SIZE:, 2″, 2 1/2″, 3″, 4″,6″ Assembled with fire hose or PVC layflat hose   PIN LUG COUPLING SIZE Type 2-1/2″ Four ears 3″ 4″ 6″         PIN LUG COUPLING SIZE Type 1″ Two ears 1-1/4″ 1-1/2″ 2″ Company … Continue reading China factory 1″-6″ Aluminum Pin Lug Hose Shank Coupling