This is ONE of our New Hydraulic Shift Lever Knob (Oval Type) replaces AGCO part #167020A (for reference only) for the Depth-Stop lever of the Internal Hydraulic Valve System. This knob will fit 1550-1650-1750-1850 tractors and probably others if the sizes match up. It is 1.50 inches tall and 1.125 inches wide at its widest point. It has a metal insert that has a 3/8 inch - 24 thread, .625 inch deep.   Made in the USA.