Description: Both mm/ Inch reading available, comes with English Manual Made of stainless steel, durable in use and never rust Precisely Measure internal misalignment Measure fit- up gap & bevel on end preparation Measure the crown height of welds, fillet weld size, scribed line, socket welds Specification: Overall Size: 16 x 6.5 cm Material: Stainless steel Comes with English Manual. Package Includes: 1 Piece Hi Lo Gauge 1 Piece English Manual Note: Only Metric Reading