| Mayo PCL Retractor Wide Prongs Ergo Handle | 00840277124661 | Class I | |
| Mazzara Pistol Grip Extra Long Rongeur | 00840277101792 | Class I | |
| Mazzara Rongeur 10x16mm Bite with Pistol Grip Handle | 00840277101785 | Class I | |
| Mazzara Rongeur 2x10mm Bite with Small Pistol Grip Handle | 00840277126405 | Class I | |
| Mazzara Rongeur 4x10mm Bite with Small Pistol Grip Handle | 00840277126412 | Class I | |
| Mazzara Rongeur 5x14mm Bite with Pistol Grip Handle | 00840277101761 | Class I | |
| Mazzara Rongeur 7x16mm Bite with Pistol Grip Handle | 00840277101778 | Class I | |
| McFarland Bent Cobb Elevator | 00840277121783 | Class I | |
| McFarland Malleable Shoulder Retractor Narrow Deep | 00840277120069 | Class I | |
| McFarland Malleable Shoulder Retractor Narrow Shallow | 00840277120076 | Class I | |
| McFarland Malleable Shoulder Retractor Set | 00840277121189 | Class I | |
| McFarland Malleable Shoulder Retractor Wide | 00840277120038 | Class I | |
| McFarland Shoulder V Retractor | 00840277123459 | Class I | |
| McGlamry Type Elevator 11mm | 00840277124067 | Class I | |
| McGlamry Type Elevator 13mm | 00840277124074 | Class I | |
| McGlamry Type Elevator 15mm | 00840277124081 | Class I | |
| McGlamry Type Elevator 17mm | 00840277124098 | Class I | |
| McGrory Baseplate | 00840277128560 | Class I | |
| McGrory Foot Bolster | 00840277128553 | Class I | |
| McGrory Foot Bolster Assembly | 00840277128546 | Class I | |
| McKinley Foraminal Probe Extra Large 6mm/0.196" | 00840277108531 | Class I | |
| McKinley Foraminal Probe Large 4.5mm/.156" | 00840277108500 | Class I | |
| McKinley Foranimal Probe Medium 3.0mm/.118" | 00840277108517 | Class I | |
| McMahon Posterior Femoral Retractor Left | 00840277112507 | Class I | |
| McMahon Posterior Femoral Retractor Right | 00840277112514 | Class I | |
UDI Compass