Male and female SwivelGrip Connections. Hose and grip rotate independently. Makes connections and uncoiling easy. Naturally releases coils. SwivelGrip Patent Pending. Extreme all-weather flexibility. Durable outer cover resists abrasion, UV and mold. Wont kink under pressure. Lightweight and easy to handle. Lays flat - no memory. Reinforced mid-layering provides extra strength. Anodized aircraft aluminum ends. Tight leak-free connections A durable O-ring provides long lasting leak-free connections. Max. working pressure at 70F: 150 psi. Drinking water safe