Looking for Harris Macey Omni replacement knives and blades? Here at MyBinding we carry knives for the 532, 542, 562, 630, 636, 640, 642 as well at the 7H and a few other models. These awesome knives are available for the top front or sides of the unit and can be ordered in standard, high speed or high carbon steel configurations. Take a look at the choices below and select the right knife for your application. Just be sure to double check the length and number of holes before you order (you don't want to end up with the wrong item).