supply of electronic torque tester capacity 25-1100 nm , electronic torque tester capacity 25-1100 nm, suitable for 1/2 inch & 3/4 inch square drive d splay unit with connecting cable & mounting arrangement along with software for transferring reading to p c for documentation with square drive adapter with calibration certificate detailed specifications attaches i n annexure-a . acceptable make: hytech/ gedore/presto/bahco or equivalent (remark - calibration: m andatory nabl accredited laboratory certification required for each unit, ensuring traceability to national s tandards) [ warranty period: 30 months after the date of delivery ] ]