- Please fix the quantity error in (MQC410) Quartz Capillary Tubes (Outer Square Inner Round), O.D.: 2x2mm, I.D.: 0.25mm, Length: 50mm, (MQP056) Quartz Plate, Square, Size: 15x15mm, Thick: 1mm, Type 1 Material, 190-2500nm, (MQF064) Calcium Fluoride (CaF2) Windows, Round, Size: φ90mm, Thick: 3mm, 130-9000nm, (MQX042) Specimen Holders for X-ray Diffraction (XRD), Round, Size: φ50mm, Thick: φ8mm, Round Sample Reception Size: φ25mm, Depth: 2mm, Bruker, Optical Glass products