- Built-in millimeter gauge measures files and positions rubber stopper. - Right or left hand use. - Small and large rings are included to accommodate most finger sizes. - Flat bottom enables the Endo Assist to stand freely on its own. - Comes with 12 disposable foam inserts. - Foam cleans and holds files. - Designed to slide into side of the Endo Guards. - Dimensions: 1-1/2" x 1-3/4" x 1-5/8". - Autoclavable up to 136°C/275°F. - Washer-disinfect. - Contains Antimicrobial Protection. **For further product information, please contact Chat Support**