With the Facom 804.P feeler gauge, you accurately and reliably measure mechanical clearances from 0.04 mm to 1 mm. Featuring nineteen blades with tapered, pointed ends, it allows you to access tight and hard-to-reach spaces in engines and machinery effortlessly. Whether you are adjusting valve clearance, setting spark plug electrode gaps, or inspecting machine tolerances, the 90 mm blades provide the precision you need. Neatly bundled and clearly marked with each thickness, this set helps you quickly select the right blade and prevent mechanical wear or improper fits with confidence.