10-718-5 Setting Ring, 0.35" ID x 1-1/4" OD, 0.315" Thick by SPI

10-739-1 Setting Ring, 1.4" ID x 2-3/4" OD, 0.709" Thick by SPI

.3750 XXKAL Setting Rings, Inside Diameter 0.3750" by Mahr

.6250 XXKAL Setting Rings, Inside Diameter 0.6250" by Mahr

.7500 XXKAL Setting Rings, Inside Diameter 0.7500" by Mahr

.8750 XXKAL Setting Rings, Inside Diameter 0.8750" by Mahr

1.0000 XXKAL Setting Rings, Inside Diameter 1.0000" by Mahr

1.2500 XXKAL Setting Rings, Inside Diameter 1.2500" by Mahr

34-452-3 Threaded Pipe Ring 1-1/2-11-1/2" NPT, Class L1 by SPI

34-451-5 Threaded Pipe Ring 1-1/4-11-1/2" NPT, Class L1 by SPI

34-450-7 Threaded Pipe Ring 1-11-1/2" NPT, Class L1 by SPI

34-444-0 Threaded Pipe Ring 1/16-27" NPT, Class L1 by SPI

34-448-1 Threaded Pipe Ring 1/2-14" NPT, Class L1 by SPI

34-446-5 Threaded Pipe Ring 1/4-18" NPT, Class L1 by SPI

34-445-7 Threaded Pipe Ring 1/8-27" NPT, Class L1 by SPI

34-454-9 Threaded Pipe Ring 2-1/2-8" NPT, Class L1 by SPI

34-453-1 Threaded Pipe Ring 2-11-1/2" NPT, Class L1 by SPI

34-449-9 Threaded Pipe Ring 3/4-14" NPT, Class L1 by SPI

34-447-3 Threaded Pipe Ring 3/8-18" NPT, Class L1 by SPI

441110010 Threaded Pipe Ring, 1-11-1/2" NPT, Class L1, Tool Steel, NIST by Vermont Gage

441107010 Threaded Pipe Ring, 1/2-14" NPT, Class L1, Tool Steel, NIST by Vermont Gage

441104010 Threaded Pipe Ring, 1/4-18" NPT, Class L1, Tool Steel, NIST by Vermont Gage

441102510 Threaded Pipe Ring, 1/8-27" NPT, Class L1, Tool Steel, NIST by Vermont Gage

441108510 Threaded Pipe Ring, 3/4-14" NPT, Class L1, Tool Steel, NIST by Vermont Gage

23-115-9 Threaded Ring Gage #1-64 Thread, Class 2A, Go & No Go by SPI