Best Science Supplies, offering quality scientific equipment and supplies since 1988. If you buy multiple items, we will adjust the shipping and refund you the difference to reflect the actual shipping and handling costs. Our prime manufacturers are certified with ISO and CE, respectively, Norway's and The Netherland's Ministries of Health. These instruments are constructed of high grade surgical stainless steel. Should you be dissatisfied in any way with your purchase, please do not hesitate to contact us. We strive to assure your satisfaction.