Description: 3 Pieces included, comes with a key ring, portable and easy to carry with Made of quality stainless steel, very sturdy and never rust Used to measure the angle of preparation, depth of pitting, fillet weld length, excess weld metal (capping size), depth of undercut, misalignment (high-low) Permanently etched and markings for abrasion & rust resistance Accurate and clear reading Specification: Material: Stainless steel Length: 9cm Package Includes: 3 Pieces Welding Gauges