- Please fix the quantity error in (MQC374) Quartz Capillary Tubes (Square), Outer Dim.: 1.8×1.8mm, Inner Dim.: 0.25×0.25mm, Length: 50mm, (MQC369) Quartz Capillary Tubes (Square), Outer Dim.: 0.9×0.9mm, Inner Dim.: 0.7×0.7mm, Length: 100mm, (MQC375) Quartz Capillary Tubes (Square), Outer Dim.: 1.8×1.8mm, Inner Dim.: 0.25×0.25mm, Length: 100mm products