FREE Border Edger Attachment when you purchase the Mantis Tiller. Commercial-grade two-cycle engine with pushbutton priming for quick, easy starts. A throttle-activated centrifugal clutch means the tines only engage when you squeeze the throttle. Lightweight and compact - weighs only 20 pounds! Cultivate weed a 30 x 40 garden in just 20 minutes. Digs down to 10! Patented reversible serpentines tines dig deep even in the hardest soil. Tines spin at up to 240 rpm. Features a one-piece, die-cast gear box and folding handles