The Sensor Tap Series from Mueller-Kueps features a combination of steel strength, double coating, and six cutting edges that are designed to make it easy and efficient to cut through heat-tempered steel. This series aims to provide professional thread restoration for both light and heavy duty diesel engines. A short tap design with an integrated guide pin is available in sizes M12X1.25, M14X1.5, M18X1.5, M20X1.5, and M22X1.5. This allows users to find the right fit for their applications. The redesigned Sensor Tap Series features expanded size options and compatibility with the 513 Flexhead Ratchet, No. 514.