►Boot increases drop spec of device. one additional foot (4 ft. to 5 ft.). ►Includes one handstrap (SG-TC51-. EHDSTP1). ►Boot is about 4mm longer than. standard boot to accommodate for. increase device length for TC52ax. units with SE5500 all-range imager.. ►Only compatible with TC52ax units. with SE5500 Advanced-Range Imager.. Features. Compatibility. TC52ax. Brand compatibility. Zebra. Product colour. Black. Case type. Rugged case