Diagram of M121

McHugh Milieux is now manufacturing the model M120 Wire Knife Carrier, M121 and M122 retractable wire knives. These knives are functionally identical to those previously manufactured by David Kopf Instruments™. Pictured here from left to right is the Model M120 carrier, the M121 Rectractable Wire Knife, and the M122 Reinforced Wire Knife.