The 12-blade Valve Tappet Gauge by Rimac is a precision measuring tool designed for automotive use. This feeler gauge comes in a set of 12 pieces and includes a 1-year warranty. With a manufacturer part number of 0550, this tool is essential for accurately measuring valve tappet heights in engines to ensure optimal performance and efficiency. It is a must-have for automotive enthusiasts and professionals looking to maintain and improve the performance of their vehicles.