Mini Excavator Track, size 300 x 74 x 52.5 or ( 300 x 72 x 55 or 300 x 36 x 109) IG 33. Fits the following machines and some other models. Hitachi Ex 22, Ex 18, CAT 302, Mitsubishi MM20, BOB CAT X325, X328, Nissan Hanix N230, N250. Good quality track. Price for one track $550 inc GST.