Fine ground and polished, lustrous, high definition and visibility, less possibility of parallax errors. Made of real hardened stainless steel construction for protection of caliper. 4 ways to use: inside/outside/step/depth measurement, which almost meets all basic precision measuring needs. Raised sliding surfaces to help prevent defacement and wear of scale graduations. Professional precision measuring tool for industrial,totally different from DIY hand measuring one. Description: - Made of real hardened stainless steel construction for protection of caliper. - Fine ground and polished, lustrous, high definition and visibility, less possibility of parallax errors. - Professional precision measuring tool for industrial,totally different from DIY hand measuring one. - Raised sliding surfaces to help prevent defacement and wear of scale graduations. - 4 ways to use: inside/outside/step/depth measurement, which almost meets all basic precision measuring needs. Specification: - Material: Stainless Steel - Color: As the Pictures Shown - Jaw Length: 65 mm/2.56" - Total Length: 160 mm/6.30" - Measuring Range: 0~60 mm/0~2.36" - Measuring Accuracy: 0.1 mm/0.0039" - Reading: 0.1 mm/0.0039" Package Includes: 1 Piece Brake Vernier Caliper 1 Piece Wooden Box Note: Please allow the error due to hand test, thank you.