The Autool Part Number PT502 Vacuum Pressure Gauge is a reliable tool for automotive diagnostic services. With a range of 0-60 PSI and a 1/4 inch NPT connection, this pressure gauge is perfect for measuring vacuum and pressure levels in vehicles. The Autool brand is known for its quality and durability, making this gauge a must-have for any mechanic or car enthusiast looking to accurately diagnose and repair issues with their vehicle's vacuum system.