Automatic Locking Mechanism - 33ft portable auto rewind air hose reel can hold the hose at your desired length for convenient use, unlocking by pulling the hose easily Self-retracting system - Retracting system for recoiling the hose automatically, keeping the hose tidy as well as saving time and effort from manually winding 180-degree swivel mounting bracket for allowing you to use it at different angles smoothly Convenient Use - Portable design with a built-in handle for easy carrying Wide Application - Ideal for industrial use in workshops, auto repair shops, construction company, 4S shops, garage or tool room