Place of Origin: China Brand Name: OEM Model Number: hxh-z02 Power Source: manual Warranty: 3 years After-sale Service: Onsite Inspection Material: metal, aluminum Shelf Life: 1years Quality Certification: ce Instrument classification: Class I Safety standard: GB/T18830-2009 Product name: High quality Nerve tuning forks medical aluminum tuning fork Certificate: CE/ISO13485 Reusable: Yes Type: General Medical Supplies Properties: Ears, Eyes, Nose and Throat Surgical Instruments