Feeler Gauge Set, Thickness Range 0.04 mm to 1.00 mm, Number of Feeler Blades 25/ BLADE LENGTH: 3.312 INCHES NOMINAL BLADE QUANTITY: 25 MEASUREMENT SYSTEM: METRIC BLADE TIP WIDTH: 0.500 INCHES NOMINAL BLADE GROUP QUANTITY: 1 BLADE THICKNESS: 0.04 MILLIMETERS BLADE THICKNESS: 0.05 MILLIMETERS BLADE THICKNESS: 0.06 MILLIMETERS BLADE THICKNESS: 0.07 MILLIMETERS BLADE THICKNESS: 0.08 MILLIMETERS BLADE THICKNESS: 0.09 MILLIMETERS BLADE THICKNESS: 0.10 MILLIMETERS BLADE THICKNESS: 0.15 MILLIMETERS BLADE THICKNESS: 0.20 MILLIMETERS BLADE THICKNESS: 0.25 MILLIMETERS BLADE THICKNESS: 0.30 MILLIMETERS BLADE THICKNESS: 0.35 MILLIMETERS BLADE THICKNESS: 0.40 MILLIMETERS BLADE THICKNESS: 0.45 MILLIMETERS BLADE THICKNESS: 0.50 MILLIMETERS BLADE THICKNESS: 0.55 MILLIMETERS BLADE THICKNESS: 0.60 MILLIMETERS BLADE THICKNESS: 0.65 MILLIMETERS BLADE THICKNESS: 0.70 MILLIMETERS BLADE THICKNESS: 0.75 MILLIMETERS BLADE THICKNESS: 0.80 MILLIMETERS BLADE THICKNESS: 0.85 MILLIMETERS BLADE THICKNESS: 0.90 MILLIMETERS BLADE THICKNESS: 0.95 MILLIMETERS BLADE THICKNESS: 1.00 MILLIMETERS BLADE SHAPE: STRAIGHT