Easily identify the inner diameter of tubing using the tube sizing rod. Also great for holding splicers or tailpieces while you push them into the tube.
Tube sizes: 3/16" - 1/4" - 5/16" - 3/8"
WARNING: This product can expose you to chemicals including nickel (metallic), which is known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov.