Metric system: 5mm, 6mm, 8mm, 10mm, 12mm, 16mm, 19mm Or metric system: 5mm, 6mm, 9mm, 10mm, 12mm, 16mm, 19mm (9mm pipe can be expanded) English: 3/16 inch, 1/4inch, 5/16 inch, 3/8inch, 1/2 inch, 5/8inch, 3/4 inchO.D. Tubing, Application: It is used for cutting copper tubes, aluminum tubes, iron tubes, etc. of application: air-conditioning cold storage installation and after-sales maintenance industry, automobile repair and maintenance industry, pipeline installation and maintenance industry, etc. Type: Hand Tool Parts CT-N808AM-L :CT-808AM+CT-532+CT-207 Colour:Silver + blue Material:Metal Package Contents: 1 x Air Conditioner Expander Tube Kit (5PCS) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.