KONTESbrand NMR Tube 10 mm Borosilicate Glass Wilmad Equivalent xxxxxx Approx. Mhz 60 Length Inches 8 Wall Thickness 0.0182 Wall Variation T.I.R. 0.0090 Camber T.I.R. 0.0020. Supplied with a polyethylene cap and features a sandblasted marking spot for eas