Torque Wrench:10-70Ncm short drivers:8.5mm long drivers:13.5mm Medical Grade Stainless Steel 100% Top Quality 135°C Autoclavable, the box can also be sterilized. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Handpieces & Instruments\Dental Instruments". The seller is "meilidongren2008" and is located in this country: CN.