Product Description Detailed Specs Downloads Reviews/Questions Product Description DARTTAG SNAP-ON MOUNTING RING, UWT-1101-A-0XXX; 20-PACK KIT Detailed Specs null null null null null null null null null null MFG Part Number UM-401-01 Product Type Accessory Downloads Reviews/Questions The Zebra UM-401-01 is also known as ZEB -UM40101 or UM40101