1.Hoses:durable,light,soft,weather-proof 2.Stainless steel protection,inprove the durablity 3.Spring: made of special steel R3 Retractable Air Hose Reel 1. Hose reels a labor—saving and convenient transmission device2. The springs of our hose reels are imported from Germany3. Bushings & Connectors are made of high quality brass4. Hoses are durable,light,soft and easy to bend,cold-resistance5. The ...