Item Description This offer is for stock lengths of standard 2mm to 12mm diameter solid acrylic extruded rod please select the diameter you require from the drop down box above & then the length you require from 100mm to 500mm long lengths should you require a different length please contact us for a quote The tolerance on the diameter is as follows 2-4mm +0.3mm, 5-8mm +0.5mm & 10-12mm + 0.7mm These rods are rigid impact resistant pmma (polymethyl methacrylate) and are brand new cut to size stock.