SIZE: 5/8 ich tube THICKNESS: Thickness of 3/32″ CONTRAST: The color contrast makes it easier to read the liquid level. Superior Material: High heat resistant glass CONSTRUCTION: Borosilicate tubular gauge glass

“Redline Gauge Glass is a borosilicate tubular gauge glass designed with a red line between two white lines. The color contrast makes it easier to read the liquid level. High Pressure Redline Tubular Gage Glass 5/8″ OD with wall thickness of 3/32″”