High Quality Tungsten Carbide Instruments - NHS approval number CM-MSS/04/2845All Surgical Instruments are accredited to ISO 9001:2000 and are CE marked in accordance with the Medical Devices Directive.Our entire range of surgical instruments are manufactured in Germany using Japanese steel.Furthermore all equipment is guaranteed to be free from material and manufacturing defects. We will repair or replace any defective product within a three year period, from date of purchase. Full traceability.However, obvious signs of abuse, corrosion due to the use of unapproved disinfecting agents, damage caused by unapproved sterilisation methods and excessive re-sharpening, are not legitimate claims under the terms of this guarantee.