Thick steel construction for strength and durability, ensuring a long service life. Features a quick welding seam size template for easy use. Offers high accuracy and efficiency, serving as a reliable welding seam testing tool. Designed to quickly and accurately measure the sizes of most common welds. Can be used to measure fillet weld thickness and weld leg size. Material: Stainless steel Size: 4.4 x 3.3 cm / 1.7 x 1.3 in Throat Gauge: Approx. 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0, 12.0 mm / 0.16", 0.20", 0.24", 0.28", 0.31", 0.35", 0.39", 0.47" Leg Gauge: Approx. 4.0, 6.0, 7.5, 10.0, 12.0, 14.0, 16.0, 18.0 mm / 0.16", 0.24", 0.30", 0.39", 0.47", 0.55", 0.63", 0.71" Package Includes: 2 x Welding Gauges