Model 110 3-point hitch post hole digger for Category 1 and 2 tractors. Fast post hole digging with convenient, safe operation from the tractor seat. Heavy duty gear box and driveline. Quick connect to 6 spline PTO. Heavy duty rating. Carbide, replaceable cutting edge. Spiral tip point included. 6″, 9″, 12″, 18″ and 24″ augers available.Top Link Pin Diameter: 1″. Left Arm Pin Diameter: 1 1/8″.