Features: 1Wire Diameter Check: Metal sheets welding thickness gauge helps you to check the wire diameter of sheet metal before welding or working. 2Accurate Data: The wire gauge measurement tool gives you accurate data before welding to avoid unnecessary errors. Easy to read. 3Size Check: Metal sheets welding thickness gauge to check the sheet metal wire size before welding or working. 4Stainless Steel Material: Wire gauge measurement tool is made of stainless steel strong and durable rust proof anti bending thickened design not easy to deformation. 5Clear Scale: All size and numbers of metal sheets welding thickness gauge are etched on the surface clear and easy to read stable and wear resistant. Specification: Item Type: Thickness GaugeMaterial: Stainless SteelWeight: Approx. 30-128g/1.1-4.5ozThickness Gauge Size: Approx. 16x6x2.5cm / 6.3x2.4x1.0inRing Size:Diameter: Approx. 8.9cm/3.5in Package List: 2 x Thickness Gauge2 x Circle Note: Please allow some error in manual measurement.