Mill, Hammer, 9" x 5", Meadow Mills, 10 HP,Mill, Hammer, 9" x 5", Meadow Mills, 10 HP, Meadow Mill s hammer mill, include 9" x 5" feed opening, leading to swinging hammers measuring 1" wide x 1/8" thick, carbon steel construction. Hammers are driven by 10 HP, 3450 RPM, 230V motor.