DST tandem axle adjuster

Updated Sep 5, 2012

The Mark, made by Dominion Specialty Tools, is a battery-operated, portable device that uses visual and audio alerts to help drivers make tandem axle adjustments. The Mark consists of a trailer unit and a ground unit, which when aligned in the proper position, alert the driver. The Mark can be used in all weather conditions and requires no wires.

Dominion Specialty Tools