Dental Implant Prosthetic Kit Hand Engine 16 Screwdrivers Latch Wrench 15-70Ncm. Used for implant surgery and restoration, technicians preparing crowns, etc. High-quality steel is durable, matching various brand implants. Short drivers: 23.5mm. Long drivers: 30.0mm. 2 Pcs (Long + Short). Osstem, 3I, Megagen, Neobiotech, Dating. Dentium, Dentis, BEGO, Astra, KJ, MEDITECH, Zimmer, MIS, Cortex, Adin, Biohorizon, Alpha Bio Tec. 2 Pcs (Long + Short) Hex 1.4. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. City State: Zhengzhou, Henan China.