1、Made of high quality aluminum alloy, durable and long service life. Widely used to measure the thickness of paper, pipe, sheet metal. 2、Thickness gauge measures 0 to 20mm, for measuring the thickness of workpieces. 3、The dial shell is wear-resistant and transparent, the scale is clear, it is not easy to fall off, and the reading is accurate. 4、The locking screw can fix the dial, making the measurement more precise and easy to use. 5、Flat head, pointed head and other types, can measure the thickness of different materials separately. Item Type: Thickness Gauge Colour: Black Material: Aluminum Alloy Size: Total length is approx. 10cm / 3.9in, dial width is approx. 4cm / 1.6in. Measuring Range: Approx. 0-20mm /0-0.8in Application: The tip is used to measure the thickness of the wall/steel, and the flat head is used to measure the paper, jewelry, leather. Optional Style: Pointed Head, Flat Head 1 x Pointed Head Thickness Gauge