The Keystone Piston Ring Gauge is used to check wear levels within piston ring grooves to support accurate evaluation during inspection activities. The gauge helps identify changes in groove dimensions that affect piston ring seating and sealing performance. By allowing clear measurement of groove wear, the tool supports timely decisions during maintenance and inspection processes. Proper use of this gauge helps avoid issues related to poor ring contact, loss of pressure control, and reduced operational efficiency.Attributes:• Supports accurate inspection during engine servicing.• Helps maintain proper ring movement within grooves.• Provides a clear reference during piston evaluation tasks.Applications: The Keystone Piston Ring Gauge is used during piston inspection in engine service and maintenance areas, and checks wear within piston ring grooves to verify proper ring support.