By Heather Burlingame, Senior Production Editor | September 28, 2010

VermeerUsers can adapt the Universal Transmitter Housing to a variety of drill-stem threads and sizes. Sizes are 3½, 41/8, 4½, 65/8 inches in diameter. A side-load design provides easy access to electronics. The housings allow connection to a variety of bits and are wire-line capable. Also, they can be used with mud motors.