It is designed to grade, level, rake, and remove unwanted objects such as rocks, stones, clods, small roots, limbs, and twigs, also enabling you to cultivate unwanted growth and prepare a seedbed for planting. The hydraulic driven roller rotates in both directions for traveling both forward and backward. With a 72″ or 90″ working width, the SR26 allows you to move dirt like a box scraper, windrow rocks like a rake and work soil like a pulverizer – all in one tool.