Ratchet Hex Drivers Long & Short 2.42mm Hex Drivers Adapter for Implant Ratchet Long & Short 2.42mm Surgical Dental CE 2 pcs Dental Implant Ratchet Hex Drivers / Adapters – 2.42mm Long & Short Drivers for Abutment Screw & Cover Screw – Used with a Ratchet Wrench – The Head of the Adapter / Driver can engage with a 6.35mm Hex (Torque Wrench) or 4.0mm Square (Ratchet Wrench) – Double Silicon Rings to perfectly Fix in the Ratchet Wrench – Manufactured from High-Grade Stainless Steel – Highly Polished – Compatible with all Internal Hex Implant Systems like Zimmer, Alpha Bio, MIS, Implant Direct, etc.