8mm diameter for tube 

10mm/12mm diameter * 15mm/21mm length for metal parts

Size： 8*15*10mm

            8*15*12mm

            8*21*10mm

            8*21*12mm  

            15*10mm

            8mm

            8*17*10mm

If you have question,please contact with us

Package: 1 Piece

The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item.

This item has been cleaned and treated according to the manufacturer's instructions