supply of spare parts of digital ultrasonic single rail tester.spare parts of digital ultrasonic single rail tester., 0 degree b0 normal probe, 4maz, double crystal, 18 / 20mm dia with shoe & roller. , u bracket for np with pivots , ss u bracket for ap with pivots , pivot for angle probe %u201css%u201d- bracket ( pair ) , wheel drum , wheel flang , wheel spring , sleeve , bearing , complete wheel assembled , probe lifting mechanism , 70 degree b0 f / b angle probe, 2hhz, single crystal, 20mm dia with shoe & roller. , probe lifting wire , water tank pipe , drain cock , probe shaft for srt , bearing for probe assembly , spring for probe assembly , normal probe holding assembly ( complete set-srt ) , angle probe holding assembly ( centre ) -complete set-srt ) , angle probe holding assembly ( gf ) -complete set-srt ) , angle probe holding assembly ( ngf ) -complete set-srt )