supply of set of three different ranges digital.set of three different ranges digital.,set of three different ranges digital outside micrometers as follows. 1) digital outside microm eter range: 0 - 150 mm, least count: 0.001 mm, code no. 340-251-30, make: forbes or equivalent, qty = 01 no./set 2) digital outside micrometer range: 150 - 300 mm, least count: 0.001 mm, code no. 340-252-3 0, make: forbes or equivalent, qty = 01 no./set 3) digital outside micrometer range: 300 - 400 mm, least count: 0.001 mm, code no. 340-520, make: forbes or equivalent, qty = 01 no./set. features:-1) wide meas uring range with interchangeable with anvils. 2) measuring face of the spindle is carbide tipped. 3) ip 65 wa ter /dust protection.4) equipped with ratchet stop for constant measuring force. 5) oil resistant material us ed for all plastic parts. 6) extended battery life of approximately 2.4 years. [ warranty period: 30 months after the date of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]