Control Panel (With Automatic Reverse) Two 20 HP Motor for a total of 40HP 5/8 " (16 mm Metric) Wide Knives Standard. 3 Hooks Per Knife. Can Be Ordered With 5/32 " (4 mm Metric), 5/16 " (8 mm Metric), or 15/32" (12 mm Metric) Knives As Well.