Varian 600 MHz ID/PFG 3mm 13C 31P 15N probe with installation manual. (p/n 01-906212-00 s/n P005132 (54mm bore)). Variable temperature operation from +130C to -100C. Please contact us for complete Varian NMR probe details. (Varian 600 Mhz probe/Varian 600 Mhz nmr probe)