Foredom’s Duplex Spring Adapter is the ideal attachment to turn your standard handpiece into a duplex spring style in seconds.  Simply attach this Duplex Spring Adaptor between your flexshaft (cable) and your handpiece giving you extra flexibility while offering more subtle, finer movement of the handpiece when you're working at the bench.  Works on all Foredom key tip accepting handpieces (except the H.50 handpiece and certain attachments (Filer, Angle Grinder, Belt Sander).  Measures 7-5/8": x 11/16" diameter.  Weighs 0.2 lbs. 

WARRANTY: Please note you should not bend the adaptor more than 30 degrees and there is no warranty on the duplex spring portion of this item.  Manufacturer also recommends having a replacement spring on hand as a backup.