150 LB Power Feed Z Axis Fits bridgetport Acer Mills Z Axis Power Feeder Power feed Z axis Z traverse ; Torque: 150in-lb peak / 119in-lb continuous ;Feed rate: 0.4 to 37.4 IPM Speed: 0-210 RPM ; Horsepower: 1-3HP ; For 5/8" shaft with keyway ; 135lbs of torque Increase milling efficiency ; No more gear charge hassles ; Fits all Bridgeport style machine Quantity: 1 ; Overall dimension: 5''L x 8/38''W x 11-1/4''H ; Weight: 9.85lbs (just machine)