Martha Stewart Living 13 in. 12-Amp Electric 5-Position Scarifier and Lawn Dethatcher5 position depth control tailors scraping depth for dethatching needs Powerful 12 Amp motor Rakes a 13 in. wide path with each pass Tailor your raking depth from 0. 4 in. below the soil to 0. 4 in. above the soil Features Item Weight 23 Power Type Corded Electric Start Type Electric Number of Tines 24 Tines Amperage (amps) 12 A Commercial Residential Residential Maximum Till Depth (in.) 0. 4 Returnable 30 Day Adjustable Forward Speed No Reverse No