Zebra TC5X Mobile Computer Snap-On Trigger Handle and Rugged Boot Kit. Trigger handle easily attaches to the rugged boot and is easily removable to access the battery. The Zebra TC5X trigger handle includes a tether point for a wrist tether. Wrist Tether (SG-PD40-WLD1-01) is sold separately. For use with the Zebra TC51, TC52, TC56, TC57 only. For the Zebra TC52X or TC57X, please the new electronic trigger TRG-TC5X-ELEC1-01.