- SizeT.P.I.
- 4-1/2*8
- 5*8
- Supply TypeManufacturer, Exporter, Supplier
- Preferred Buyer Location All over the world
PMC Lone Star manufactures API 8 Round Casing working (STC & LTC) and reference master gages per API Specification 5B for sizes from 4-12 to 20 inches in diameter. All working gages are manufactured and certified using a certified API reference master gage as required by the stan