KONTESbrand NMR Tube 10 mm Borosilicate Glass Wilmad Equivalent xxxxxx Approx. Mhz >150 Length Inches 8 Wall Thickness 0.0182 Wall Variation T.I.R. 0.0020 Camber T.I.R. 0.0010. Supplied with a polyethylene cap and features a sandblasted marking spot for easy sample identification. (1 per EA)