Earl's 309104 Auto-Fit Blue and Red Anodized Aluminum 90-Degree -4AN Hose End Features a 90-degree angle -4AN female hose swivel fitting to a -4AN nipple and cutter barb end Fitting is made of lightweight, but durable aluminum Auto-Fit nipple is pushed in rather than threaded into the hose Reusable non-swivel style fitting Male hose fitting is barbed for a better quality seal