Knife, Circ, Pressure, Smooth 19mm ID is an OEM-compatible replacement component used with Dusenbery Knife equipment. It is identified by Dusenbery Knife part number 79.915.2010.30, 106045358, 106866869, 105821230, 11030305, 79.915.2010.20 and Packers Supply number DSB-7801-MUL.