Rumble Hog RH7500
Rumble Hog RH7500. 3in1 machine for Grinding, Grooving, and Rumble Strips. explore all Grinding, Grooving Rumbling equipment close. ... Groove pavement for inlaid markings, and cut Rumble Strips. The Rumble Hog uses 1" ( cm) diamondtipped teeth for longer durability.