supply of digital outside micrometer range 300 - 400mm, least count 0.001 mm , digital outside micrometer range 300 - 400mm, least count 0.001 mm along with valid calibration test ce rtificate of 01 year validity period from nabl accredited/ govt. labs and also specification details are mentioned below. 1) power supply : cr-44 battery. 2) shape of spindle : flat. 3) wide measuring range with interchangeable anvils. 4) spi ndle end tipped with tungsten carbide. 5) provided with ratchet for constant measuring pressure and locking wheel for quick & precise fixing. 6) ip65 dust/ waterproof, automatic power off and supplied with setting standards & standard a ccessory carrying case. makes : insize /mitutoyo /precision germany/ spi/ vogel germany/ forbes or its similar . warra nty period: 12 month(s) from the date of supply, warranty certificate shall be submitted along with the material in the n ame of sse/m7/els/bza. [ warranty period: 12 months after the date of delivery ] ]