High-quality stainless steel probe for use during oral examination. Markings at 3.5, 5.5, 8.5 and 11.5mm. Ball tip. 300 series steel for handle and 400 series steel for inserted tips. Hollow handled. Please note: this product is supplied for use in primary care/dental practices and its instructions for use are issued in accordance with HTM 01-05 Essential Quality Requirements. Should a customer wish to purchase the product for acute care use, it is the responsibility of the user/customer to establish and follow validated cleaning, disinfection and sterilisation protocols that align with NHS England HTM 01-01 guidelines to ensure the appropriateness of our device in acute care settings. By purchasing and using our reusable surgical medical device for use in acute care settings, you acknowledge and accept the responsibility of implementing validated cleaning, disinfection and sterilisation protocols that comply with NHS England HTM 01-01 to mitigate any associated risks.