Step-Cut Feeler Gauge Set, Thickness Range 0.004 in to 0.027 in, Number of Feeler Blades 22/ BLADE LENGTH: 3.312 INCHES NOMINAL BLADE QUANTITY: 22 MEASUREMENT SYSTEM: ENGLISH BLADE TIP WIDTH: 0.500 INCHES NOMINAL BLADE GROUP QUANTITY: 1 BLADE LOCK: NOT INCLUDED BLADE THICKNESS: 0.0040 INCHES AND 0.0060 INCHES BLADE THICKNESS: 0.0050 INCHES AND 0.0070 INCHES BLADE THICKNESS: 0.0060 INCHES AND 0.0080 INCHES BLADE THICKNESS: 0.0070 INCHES AND 0.0090 INCHES BLADE THICKNESS: 0.0080 INCHES AND 0.0100 INCHES BLADE THICKNESS: 0.0090 INCHES AND 0.0110 INCHES BLADE THICKNESS: 0.0100 INCHES AND 0.0120 INCHES BLADE THICKNESS: 0.0110 INCHES AND 0.0130 INCHES BLADE THICKNESS: 0.0120 INCHES AND 0.0140 INCHES BLADE THICKNESS: 0.0130 INCHES AND 0.0150 INCHES BLADE THICKNESS: 0.0140 INCHES AND 0.0160 INCHES BLADE THICKNESS: 0.0150 INCHES AND 0.0170 INCHES BLADE THICKNESS: 0.0160 INCHES AND 0.0180 INCHES BLADE THICKNESS: 0.0170 INCHES AND 0.0190 INCHES BLADE THICKNESS: 0.0180 INCHES AND 0.0200 INCHES BLADE THICKNESS: 0.0190 INCHES AND 0.0210 INCHES BLADE THICKNESS: 0.0200 INCHES AND 0.0220 INCHES BLADE THICKNESS: 0.0210 INCHES AND 0.0230 INCHES BLADE THICKNESS: 0.0220 INCHES AND 0.0240 INCHES BLADE THICKNESS: 0.0230 INCHES AND 0.0250 INCHES BLADE THICKNESS: 0.0240 INCHES AND 0.0260 INCHES BLADE THICKNESS: 0.0250 INCHES AND 0.0270 INCHES BLADE SHAPE: STRAIGHT SPECIAL FEATURES: STEPPED BLADES; BLADES ETCHED IN DECIMAL AND METRIC EQUIVALENTS