20 which are welded or otherwise secured to extend rearwardly and outwardly from the frame member 16 a removable pin 22 is inserted through aligned apertures in the plate members 20 to secure plate 18 in place upon vertical removal of the pin 22 plate 18 can be removed and or replaced with a different type of trailer hitch apparatus the generally spherical ball member 24 having a downwardly extending threaded stem 26 extends upwardly and outwardly from the top surface of support member or plate 18 and is secured thereon by a nut 28 engaging stem 26 and the bottom surface of the support the present invention may also be used with more conventional ball hitch supports than that shown in fig1 and 7 such as one welded or otherwise permanently secured to a vehicle with the present conversion apparatus 10 removal and or replacement of the ball type trailer hitch to accommodate lunette eye trailer tongues is unnecessary generally the present conversion apparatus includes an inner cylinder 30 typically formed in at least two parts and an outer cylinder 50 or 80 fitted over the inner cylinder an internal shoulder 34 36 retains the cylinders on the ball member and at least one projection 60 retains the hitch ring 14 about the cylinders a securing pin 70 holds the cylinders together as is best seen in fig2 6 the inner cylinder 30 is preferably formed from two identical cylinder halves 32 each half including a pair of contoured inner shoulder portions 34 36 the internal surfaces of shoulders 34 36 which face one another are preferaby contoured to.