The JET Tools JEDG-1 Digital Drum Gauge (SUW-310604) is a stainless steel measuring tool for professional brake drum wear checks. Its measuring range extends from 0 to 20" (0 to 500 mm), with increments of 0.0005" / 0.01 mm. A data output interface is included, and the gauge is supplied with a custom wood case. The listed product number is 310604.

• Stainless steel construction for professional use.
• Measurement range: 0–20" (0–500 mm).
• Measurement increments: 0.0005" / 0.01 mm.
• Equipped with a data output interface.
• Includes a custom wood case.