Rust-resistant metal ensures long term use in professional and home garage environments. Visibly engraved indicators maintain readability through repeated brake wear measurements Universal compatibility with most cars and small trucks Important for tracking progress of brake wear and identifying ideal replacement times during regular maintenance This brake wear measurement tool provides accurate evaluation without removing the wheel. Made with heavy duty metal construction and clear markings to ensure consistent inspection of brake lines on passenger cars and trucks Bi-directional measuring function covers 0-20mm to evaluate both disc brake parts and drum brake parts Comfortable grip design allows for easy operation during vehicle maintenance checks Compact size fits conveniently in your car storage compartment or technician tool set evaluates the remaining depth of brake components for quick checks before driving, Manufacturer: Lerpwige