New BCS 30" Flail Mower Attachment. #20807C. Dozens of vertically swinging 'Y' blades. Convenient control handle to set cutting height from 1/2" to 4". Overall widths of each mower should be increased a total of 7'' to account for the caster wheels. Caster wheels fold back for use in heavy brush. Automatic opening and closing front deflector. Adjustable and retractable caster wheels. Wear-resistant steel side skids. Oil bath input gearbox with grease fittings on ball bearings. Optional anti-skid rollers and lawn mower "scoop" blades available.