This wire gauge size tool is 0-36 US standard and has a double-sided design for easy reading of marks from all directions. This round dual sided metal sheet guage & metal sheet thickness gauge is made of stainless steel, anti-rust and anti- properties, it not rust in dry environment, you can use it for a long time without changing it frequently, and easy to carry. This product can help you check the wire diameter of sheet metal before welding or processing, help you quickly and accurately correct and solve any wrong thickness, you can get accurate data before welding, avoid unnecessary errors. Use these gauges to determine the thickness of the material before working, help you saving time and materials. The engraved numbers and letters are easy to read and not easily worn. Stainless steel double-sided round wire gauge: used to measure uncoated sheet and steel plate; Leather, paper, wood, bolt and more.; Wire/ Metal sheet thickness welding gauge: Check the wire size of the sheet metal before welding or working. Help you get accurate data before welding and avoid unnecessary errors. Colour:As Shown Material:Stainless steel,Metal Package Contents: 1set x wire gauge measuring tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.