Crqes Metric Feeler Gauge Gap Filler Thickness Measurement Tool 17 Blades Material: Carbon steel Blade Length : Appr.10cm/4inch Width : Appr.1cm/0.4inch Blade thickness: 0.02, 0.03, 0.04, 0.05, 0.06, 0.07, 0.08, 0.09, 0.10, 0.15, 0.20, 0.25, 0.30, 0.40, 0.50, 0.75, 1.00mm. Package included: 1pc Feeler Gauge