Tender For supply of 1. magnetic stand similar to mitutoyo model 7010s10, dial indicator similar to mitutoyo model no: 2109s-10. graduation: 0.001 mm, along with nabl/govt. approved source calibration certificate. make: mitutoyo/precision germany/baker/forbes/similar.2. bore gauge digital indicator, range: 50 mm - 150 mm with least count: 0.001 mm as per product code no. 511703 plus 543790 of m/s. mitutoyo make or its equivalent in m/s. stanley/ insize/ baker/ forbes/ fowler/ precision germany makes supplied along with nabl calibration certificate. features: (1) dial indicator and dial protection cover must be provided. (2) extension rod must be supplied for measuring deep holes. (3) wide measuring range with interchangeable washer & sub-anvils to be provided. (4) a carbide ball is used for the contact point & it is more abrasion resistant than a hardened steel ball.