Simple stem LM 25 mirror handle threads are in accordance with international standard M2.5. The mirror shank must have a diameter of 2.5 mm. Mirrors are sold separately. Product no 10P12, box of 12 pcs, mirror #4 simple stem. Cone socket LM 28 mirror handle threads are in accordance with international standard UNF4-48. The mirror shank must have a diameter of 2.6 mm. For implant installation Mirrors are sold separately