This beautiful can seamer is practically brand new – purchased in December 2021 and taken care of very well! The pro seamer is an absolute dream to use! This machine is calibrated to can 12 and 8 oz cans and comes with the chuck to can 8oz size. Comes with 5 boxes of 12oz brite sleek cans and 1 box of 8oz brite sleek cans! Message with any questions!