Features: It measures in both inch or millimeters. The scales on the weld gauge are all La ser Engraving, not printing. Two locking device on the bridge welding gauge, it's easy to read the numbers. Made of stainless steel, You don'for t need to use anti-rust oil or take any anti-rust ways. Bridge Cam Gauge is a unique, versatile instrument for the inspection of welded surfaces and joints. Specifications: Material: Stainless Steel Size: approx 100x69mm/3.9x2.7in Angle of preparation, 0 to 60 Excess weld metal (capping size) Depth of undercut Depth of pitting Fillet weld throat size Fillet weld length Misalignment (high-low) Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Bridge Cam Gauge Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia