The 9-piece manual brake gauge set allows for accurate and consistent brake pad wear measurements without guesswork. Designed to check both straight and at a 90-degree angle to the rotor with offset tips. Brake lining gauges identify thickness levels for lining inspection. Made of durable and flexible acetal. Includes 0.866 in, 0.787 in, 0.709 in, 0.630 in, 0.551 in, 0.472 in, 0.394 in, 0.315 in, and 0.236 in. Features. Brake Lining Gauge Set 9-Piece Specs. Weight: 0.12 lbs