Flg/20/150 Groz Metric Thickness Gauges (Feeler Gauges), 0.05 – 1Mm, 20 Pcs Straight 13Mm Width Leaves, 150Mm Blade Length.

Essential tool for checking valve tolerances, point gaps and other critical measurements.
Made from stainless steel.
Each leaf is marked with its thickness.
Locknut secures one or more leaves in position and each leaf is detachable if necessary.