Troy-Bilt TB554 9-Inch 158cc Briggs & Stratton 500 Series Gas-Powered Lawn Edger with Curb Wheel Self-sharpening, heavy duty 9-inch triple-edge blade 6-position edging depth up to 2-1/4-Inches, 3-position adjustable bevel for easy edging along walks and flower beds Premium 7-inch front and 8-inch rear steel ball-bearing wheels 3 position bevel setting Non-CARB Compliant/Not For Sale In California