Tool includes two gauge holders and the following size gauge inserts: .002", .003", .004", .005", .006", .008", .009", .010" and .011" New innovative feeler gauge holder cures the need to use bulky multi-feeler gauge tools while performing valve adjustments Ideal for reaching into tight areas or around corners, which is often necessary for proper valve adjustment Made in the U.S.A.. TOOL FEELER GAUGE SET