Description: Portable and easy to operate. Digital step gap gauge caliper measuring gauge. Gap & step gauge are used for checking the mutual position of two adjacent surfaces of vehicles. Application:speical tool for car repair, measuring car parts, measuring concave and convex, measuring gap, widely used in auto industry. Specification: Material: stainless steel Size: Length: 130mm/5.11inch Width: 60mm/2.36inch Measuring range: -10mm--+10mm Resolution: 0.01mm/0.00039inch Package Includes: 1 Piece Digital Step Gap Gauge Caliper Note: The color may have different as the difference display, pls understand. Please allow 0-3mm error due to hand test.Thank you