【Professional Design】:This heavy-duty brake pad measuring instrument is professionally designed with a 1.5mm calibration check mark, high accuracy, and reliable use. 【Flexible and Portable】:This is a flexible, hands-on tool that saves time and is essential for most vehicle. Measuring the brake pads of a vehicle without dismantling the wheels. 【Applicable Brake Type】: Brake pad measuring tool measures approximately 5.35 x 0.47 inches, fits most vehicle interior and exterior brake pads and is designed for brake pads with a backing plate thickness of 6 mm/0.2 inches (Class IV, V). Please check the size of the product before purchase to ensure proper fitment. 【Slim Shape】:The slim design of the brake pad measuring pen is located to the rear of the brake pad backing plate, allowing the probe to measure the distance between the lower side of the backing plate and the brake disc, saving you time and effort. 【Easy to operate】:The excellent brake pad thickness gauge is a clever time-saving tool that is easy to operate and use. You only need to align the brake pads and press to measure. It is very convenient to use and has strong practicality, which can improve car performance.