Descriptions: This fillet weld gauge is made of stainless steel, and through multiple processes, thicken design, not easy to deform and durable. Applicable for testing of boilers, bridges, shipbuilding, pressure vessels and pipeline of oil fields. Features: Made of stainless steel, and through multiple processes, thicken design, not easy to deform and durable Applicable for testing of boilers, bridges, shipbuilding, pressure vessels and pipeline of oil fields. It is also suitable for measuring the high quality of welding parts Permits quick and accurate measuring of the most popular weld fillet sizes in imperial:1/8"-1" and metric:(3.2-25.4mm). All sizes and numerals are etched into the surface for clarity and easier reading, and stable wear-resisting. Specifications: Material: stainless steel Measure range: imperial:1/8"-1" and metric:(3.2-25.4mm) Accuracy: 0.1 Weight: 145 (g) Package Included: 1 set x Fillet Weld Gauge 1 x Black case 1 x instruction