SPM - Lower Auger Spiral The auger rotates to shave ice off the evaporator The SPM Lower Auger has teeth at the rear of the auger to grip onto the upper auger to allow for total bowl mixing. Manufacturer Part Numbers: 02.BA0020.002 02.BA0266.001 02.BA0266.SLU SKU: 2107020002 Colour: White Material: Plastic