THESE  FEET WILL FIT THE GLOBE CHEFMATE GC12D,BERKEL 825,825A,827,827E,829,839,834,834S,FLEETOOD MODELS BF300,312,312E,412,412E SLICER MODELS THEY HAVE AN EXTENSION ON THE FEET THAT WILL ALLOW YOU TO BE ABLE TO CLEAN UNDER THE SLICER SO ACCULIMATION DOES NOT BUILD UP UNDER THE SLICER AND THEY HAVE THE NEWER MODEL NO MAR FEET IT IS A COMPLETE SET OF FOUR AND WILL SCREW INTO YOUR SLICER WITH EASE.