The clamps are metal clamps that constrict the cervical area of the dental crown to hold the rubber dam. Kit contains : - 1 x #202. - 1 x #5A. - 1 x #7. - 1 x #14. - 1 x #12A. - 1 x #25. - 1 x #208. - 1 x #210. - 1 x #212. **For further product information , please contact Chat Support**