Billy Goat Grazor™ GZ551V Pavement Surface PrepDescription: The Grazor is invaluable for the sealing contractor who has to remove vegetation and other debris from cracks and crevices before laying down crack filler and applying sealant. Unlike cheap lawn edgers that werent designed for this application, the Grazors robust construction and balanced platform make cleaning cracks much less of a chore. The pulley ratio is optimized for maximum cutting torque without belt slippage or premature sheave