The 81139 is inexpensive, portable, and very accurate. It has a simple leveling adjustment of +/-3°. Housed in a durable, non-magnetic casing with a magnetic head that attaches firmly to rotors or spindles.
These parts should only be installed by personnel who have the necessary skill, training, and tools to do the job correctly and safely. Incorrect installation can result in personal injury, vehicle damage, and/or loss of vehicle control.
