Completely assembled and ready to go. Plug RoboReel Air Hose Reel in to your outlet, connect your air tool and you’re ready to go. Comes with 40’ of ¼” hose with a 300 psi rating. RoboReel’s motorized retraction eliminates whipping action. Have you ever seen the damage that occurs with spring-loaded reels? RoboReel solves this problem using our two-speed retraction. RoboReel is built to last. That’s the result of smart engineering and industrial-grade material.