Specifications: Material: Stainless Steel Comb Gauge Measurement Range Details: <25-3000um> 25, 50, 75, 100, 125, 150, 175, 200, 225, 275, 300, 350, 400, 450, 500, 550, 600, 650, 70, 7000, 75550, 750, 750, 750, 750, 750, 750, 750, 750, 750, 0, 800 , 850, 900, 1000, 1100, 1200, 1400, 1600, 1800, 2000, 2200, 2400, 2600, 2800, 300um Measurement Accuracy: Micron Product Weight: 35 grams Width Length: 40mm Package Includes: 1 x Hex Wet Film Membrane thickness gauge x 1 black case