supply of one set consisting of 03 items for ultrasonic flaw detector machine(1) normal singlecrystal probe;2.5 mhz.; crystal size: 20mm dia qty. 04 nos. (2) low angle perspexwedge attachment for normal single crystal probe; 17.5 degree size 20mm dia qty. 02nos.(3) probe cable bnc to bnc (2 mtr. long) qty. 04 nos. make- modsonic.note: firm to submit authorization letter from oem, m/s. modsonic along with tender, otherwise offer will not be considered.one set consisting of 03 items for ultrasonic flaw detector machine(1) normal singlecrystal probe;2.5 mhz.; crystal size: 20mm dia qty. 04 nos. (2) low angle perspexwedge attachment for normal single crystal probe; 17.5 degree size 20mm dia qty. 02nos.(3) probe cable bnc to bnc (2 mtr. long) qty. 04 nos. make- modsonic.note: firm to submit authorization letter from oem, m/s. modsonic along with tender, otherwise offer will not be considered.,one set consisting of 03 items for ultrasonic flaw detector machine(1) normal singlecrystal p robe;2.5 mhz.; crystal size: 20mm dia qty. 04 nos. (2) low angle perspexwedge attachment for normal sin gle crystal probe; 17.5 degree size 20mm dia qty. 02nos.(3) probe cable bnc to bnc (2 mtr. long) qty. 04 nos. make- modsonic.note: firm to submit authorization letter from oem, m/s. modsonic along with tender, otherwise offer will not be considered. [ warranty period: 30 months after the date of delivery ] ]