Features: 1. This auto hose reel can work with air compressor to store air pipes quickly and efficiently. 2. Safety lock: Unlock it to adjust the length of pipes, lock it to prevent pipes from retracting. 3. The air hose is made of high quality PU plus yarn, which greatly increases pressure resistance of the hose and maintains its flexibility for long term. 4. Metal base is sturdy and secure, easy to mount on wall. 5. Suitable for automotive maintenance, hardware manufacture, assemble line and other fields. Specification: Model(Optional) ZYA03-811 ZYA03-615 Hose Inner Diameter 5/16(8*12mm) 1/4(6.5*10mm) Hose Length 10 1m 14 1m Air Inlet Size 1/4 Hose Material PU plus yarn Working Pressure 250psi Product Size 29.5*16.5*33cm / 11.6*6.5*1.3in Package Weight Approx. 4200-4300g / 148.1-151.7oz Package list: 1 * Auto Hose Reel 1 * Set of Installation Accessories Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.1This auto hose reel can work with air compressor to store air pipes quickly and efficiently. 2Safety lock: Unlock it to adjust the length of pipes, lock it to prevent pipes from retracting. 3The air hose is made of high quality PU plus yarn, which greatly increases pressure resistance of the hose and maintains its flexibility for long term. 4Metal base is sturdy and secure, easy to mount on wall. 5Suitable for automotive maintenance, hardware manufacture, assemble line and other fields.