Need a counterweight for Sony PS-T22

Just as the title states, I need a compatable counterweight for my Sony PS-T22 turntable (1/2" Shaft). Thankyou

EDIT: Im thinking of just giving up on vinyl and throwing this thing in the trash and calling it a loss, This is my second turntable and my second ebay seller burn....A turntable that works perfect but forgets to mention that a $8 hunk of metal will keep it from being any more useful than a pizza rotating device. I have looked everywhere and cant find the right weight. I have tried precariously stacking quarters on the shaft to balance it out (just proves my point that pennies are TRULY useless).

If you can find something that fits the counterweight mount, you can make a counterweight from washers or cast solder.