Supply Of Set Consisting Of 1. Normal Single Crystal Probe Of 20Mm Crystal Dia And 2.5 Mhz Frequency With Aluminium Casing, Top Entry Bnc Socket - 20 Nos, 2.17.5 Deg. Angle Perspex Wedge With Aluminium Casing For Direct Attachment To Suit 20Mm Normal Single Crystal Probe - 06 Nos. 3. Probe Cable, 2 Met. Long Co-Axial Cable, Fitted With Bnc Plugs On Both Sides - 18 Nos. Suitable To Ultrasonic Flaw Detector Of Model No.Arya-Ir As Per Rdso Approved Specification No. M&C/Ndt/125/2004..