Retractable Air Compressor Hose Reel: WYNNsky air hose reel is suitable for industrial, contractor, or household use. The spring-loaded torsion system with an auto-guide rewind that smoothly retracts the air hose without any kinks. The reel can mount on a wall or ceiling and allows 180° free rotation for versatility. The retractable system: The retractable system is perfect for hobbyists and professionals who are looking for a better storage solution. Pull the hose out to the desired length and the positive latching mechanism will automatically lock the hose. When you are done, simply give the hose a short pull and it will gently retract. Easy to Install: Choose a mounting location that is free of electrical wiring or other obstructions, and is sturdy enough to support the weight of the Reel and hose as well as the force used to extend and retract it, Make a paper template from the mounting plate of the Reel. Mark the center of the bolt holes in the desired mounting location, check for hidden wiring, mount the Reel and secure in place with four bolts. Hybrid Hose: The hybrid blend of PVC and rubber allows hybrid hose to be extremely flexible and durable, 3/8 Inch inner diameter, 50 feet length, 300PSI Max working pressure, 1/4 Inch NPT threads ending, bend restrictors. Temperature range of -40℉ to +149℉. High Quality Air Fittings: Brass universal coupler, which can accept industrial, automotive, ARO plug, 1/4 Inch body, 1/4 Inch NPT threads. Steel Industrial plug, 1/4 Inch body, 1/4 Inch NPT threads size. 300PSI Max Working pressure. Retractable Air Compressor Hose Reel: WYNNsky air hose reel is suitable for industrial, contractor, or household use. The spring-loaded torsion system with an auto-guide rewind that smoothly retracts the air hose without any kinks. The reel can mount on a wall or ceiling and allows 180° free rotation for versatility.