ITEM NAME:Angle Gauge For Welding Angle Gauge, Welding Inspection Ruler Automatic Wel O4Y2 Angle Gauge For Welding Angle Gauge, Welding Inspection Ruler Automatic Wel O4Y2 DIY Supplies: Woodworking high hardness, good wear resistance, clear scale, long service life, not easy to rust; nut design, rotating nut can be adjusted elastic, fixed measurement,waterproof and anti-fouling. Application: Suitable for measuring butt weld and fillet weld. Scale process: laser scale Weight: about 75g colour:Silver Material:steel size:Product size: 8*7.6cm Maximum convex value (Approx.): 0, 1/4 (6.35mm/0.25in), 1/2 (12.7mm/0.5in), 3/4 (19mm/0.75in) Maximum concave value (Approx.): 0, 1/4 (6.35mm/0.25in), 1/2 (12.7mm/0.5in), 3/4 (19mm/0.75in) Fillet weld length (Approx.): 0, 1/8 (3.17mm/0.12in), 1/4 (6.35mm/0.25in), 3/8 (9.52mm/0.37in), 1/2 (12.7mm/0.5in), 5/8 (15.9mm/0.63), 3/4 (19mm/0.75in) Butt weld: 1/8 (3.17mm/0.12in), 1/32 (0.79mm/0.03in) Package Contents: 1* welding ruler 1* leather bag