An Oil Ring Groove Gauge allows inspection of piston ring groove wear to decide whether a piston can continue in service. The gauge helps users compare existing groove condition against allowable limits without guesswork. By providing direct measurement feedback, the gauge supports informed decisions during engine service work. This prevents the reuse of pistons with excessive groove wear that can affect oil control.Attributes:• Provides a clear measurement reference for wear evaluation.• Supports consistent inspection results during engine service.• Helps prevent reuse of pistons with excessive groove wear. Applications: An Oil Ring Groove Gauge is used during engine service, where pistons are inspected after removal, and it checks the oil ring groove condition to assess wear levels.