hey, im looking for the pivot part that you can buy for the bottom of your cylinder, i think its called a clevis, i have the one for the top.

does anyone know where i can get these, i cant remember the bore size of my cylinder, i bought it from technobots about 1.5 years ago, and they said that it work ok, for a feather weight at 10bar, so im not sure of what size to buy, can any one help.....