The excellent equipment is rolled and formed by multiple processes,meeting the use standard The surface is polished smooth,scratch resistant and wear resistant,not easy to scratch The drill press quill return spring is good replacement for many existing quill spring drill presses, this is the chrome housed spring that returns the quill to the top after you have completed drilling.Used to all kinds of vacuum cleaner coil spring, volume tube coil spring, safe coil spring and so on. NOTE 1. Remember not to cut the fixing steel wire before putting it into the seat, so as not to cause safety problems caused by the spring pop off. 2. Just put the spring with the retaining wire directly into the spring seat and the wire will slide out.