This offer is for lengths of clear extruded acrylic (pmma) tube, select the outside diameter required from 30mm to 70mm diameter in the drop down box above. You can order 100mm, 200mm or 300mm long pieces. Tube Tolerances: Outside Diameter 10mm-24mm = +/-3% / Outside Diameter 25mm-50mm = +1% / -2% / Outside Diameter 60mm-100mm = +0.5% / -1.5% / Outside Diameter 110mm-150mm = +1% / -2% / Outside Diameter 160mm-300mm = +/-2%. Wall Thickness: Tube size 10mm-150mm 3mm wall +/-20% / Tube size 10mm-150mm 4mm wall +/-15% / Tube size 10mm-150mm 5mm wall +/-10% / Tube size 160mm-300mm 3mm wall +/-15% / Tube size 160mm-300mm 4mm & 5mm wall +/-15%. This tube is a great alternative to glass as it has a greater impact strength, weighs less and is much cheaper this material is also food safe and has a light transmission of 93%. We also supply solid acrylic in clear and colours you will find these listed in our store along with flat sheet. Once you have purchased your material you may be interested in the adhesive we sell which is listed in our store in the adhesive section. Please note we can also supply longer or shorter lengths please forward us your enquiry.