This product is made of high quality raw materials, can be automatically retracted within the case with automatic locking device, can control the length of the trachea pulled out and retracted. Excellent telescopic design allows small footprint, make your site a cleaner, more safe and convenient to use. Shell protection device effectively prevent the trachea wear and prolong life. Tube light, abrasion resistance, hardening, bending resistance, not easy to break, in a cold environment still reel with ease. Retractable reel trachea can be flexibly mounted on a wall or ceiling, the work is not limited by space, pipe length can be adjustable within the specified range, 180-degree swing, a large scope of work for a variety of machine shop, repair shop. 2. trachea reel works: input of external pipe section, the output of the trachea with a self-locking device with automatic cable reel features inside, pull out the rear section of the trachea, self-locking device works (trachea stops moving), If you want the trachea retraction, and then pull out the required period, after tracheal crossed the self-locking device is released trachea, windpipe recovery. 3. Use double-sided ball bearing reel trachea, more lubrication, the friction is reduced to a minimum. Steel shaft, easy to break, durable fixed base using steel pawl seat, easily deformed, easy dislocation. 4. Use anti-S recovery coil spring force so that the start to the final rally pulled uniform and stable, not becoming greater and greater difficulty 5. automatic retractable reel trachea using foreign seals, seals and life assurance 6. Excellent product appearance design, innovative coil spring / pawl built-in compact design make the product safer 7. Working pressure:. 16KG Model Order tracheal diameter material length CH-20QJ 016128 6.5mmx10mm PU gripper tube 20m CH-20QJ 016127 6.5 mmx10mm PU gripper tube 18m CH-20QJ 016126 6.5mmx10mm PU gripper tube 15m CH-20QJ 016125 6.5mmx10mm PU gripper tube 12m CH-20QJ 016124 6.5mmx10mm PU gripper tube 12m CH-20QJ 016123 6.5mmx10mm PU gripper tube 8m