supply of bore gauge digital indicator, range: 50 mm - 150 mm with least count : 0.001mm 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 makes. features:- 1 ) dial indicator and dial protection cover must be supplied. 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. note: one sample should be got approved before effecting bulk supply.bore gauge digital indicator, range: 50 mm - 150 mm with least count : 0.001mm 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 makes. features:- 1 ) dial indicator and dial protection cover must be supplied. 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. note: one sample should be got approved before effecting bulk supply., bore gauge digital indicator, range: 50 mm - 150 mm with least count : 0.001mm as per product co de no. 511703 plus 543790 of m / s. mitutoyo make or its equivalent in m / s. stanley / insize / baker / forbes / fowler / precision makes. features:- 1 ) dial indicator and dial protection cover must be supplied. 2 ) extension rod mus t be supplied for measuring deep holes. 3 ) wide measuring range with interchangeable washer & sub-anvils to b e provided. 4 ) a carbide ball is used for the contact point & it is more abrasion resistant than a hardened steel ball . note: one sample should be got approved before effecting bulk supply. [ warranty period: 12 months after the date of delivery ]