The Brake Disc Transparent Plug allows direct visual monitoring of brake wear by providing a clear viewing path to the brake piston mark. The plug supports accurate evaluation of brake condition by enabling observation while brakes are applied. Viewing the piston mark through the plug allows assessment of remaining brake service life without disassembly.Attributes:• Supports the evaluation of brake wear condition.• Enables observation of the piston mark during brake application.• Supports inspection without dismantling brake components.Applications: The Brake Disc Transparent Plug functions in the brake drain port area, allowing visual access to the brake piston mark so brake wear can be monitored and service life evaluated.