supply of set of materials for ultrasonic testing [set of materials for ultrasonic testing of locos, consisting of 04 (four) items as follows (i) normal single crystal probe, 2.5 mhz, crystal size: 20 mm dia. suitable for modsonic make arya 1 (r) . qty/set: 03 nos. (ii) low angle perspex wedge attachment angle 17.5 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. (iii) low angle perspex wedge attachment angle 15 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. (iv) low angle perspex wedge attachment angle 12.5 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. make/brand: modsonic]set of materials for ultrasonic testing [set of materials for ultrasonic testing of locos, consisting of 04 (four) items as follows (i) normal single crystal probe, 2.5 mhz, crystal size: 20 mm dia. suitable for modsonic make arya 1 (r) . qty/set: 03 nos. (ii) low angle perspex wedge attachment angle 17.5 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. (iii) low angle perspex wedge attachment angle 15 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. (iv) low angle perspex wedge attachment angle 12.5 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. make/brand: modsonic],set of materials for ultrasonic testing of locos, consisting of 04 (four) items as follows (i) nor mal single crystal probe, 2.5 mhz, crystal size: 20 mm dia. suitable for modsonic make arya 1 (r) . qty/set : 03 nos. (ii) low angle perspex wedge attachment angle 17.5 deg. for normal single crystal probe, 2.5 m hz, size; 20mm dia. qty/set: 02 nos. (iii) low angle perspex wedge attachment angle 15 deg. for normal si ngle crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. (iv) low angle perspex wedge attachment an gle 12.5 deg. for normal single crystal probe, 2.5 mhz, size; 20mm dia. qty/set: 02 nos. make/brand: mods onic [ warranty period