The D-shaft position is fixed and reinforced with an upgraded reinforced steel ring to make the knob more durable. Fits Models GTDP180GD3WW, GTDP180GD5WW, GTDP180GD6WW, GTDP200EM0WW, GTDP200EM1WW, GTDP200EM2WW, GTDP200GM0WW, GTDP200GM1WW, GTDP200GM2WW, GTDP220EF0WW, GTDP220EF1WW, GTDP220EF2WW, GTDP220EF3WW, GTDP220EF4WW, GTDP220EF5WW, GTDP220GF0WW, GTDP220GF1WW, GTDP220GF2WW, GTDP220GF3WW, GTDP220GF4WW, GTDP220GF5WW, GTDP250EM0WW, GTDP250EM1WW, GTDP250EM2WW, GTDP250GM0WW, GTDP250GM1WW, GTDP250GM2WW, GTDP280ED0WW, GTDP280ED1WW, GTDP280ED2WW, GTDP280ED3WW, GTDP280ED4WW, GTDP280ED5WW, GTDP280ED6WW, GTDP280EH0WS, GTDP280GD0WW, GTDP280GD2WW, GTDP280GD3WW, GTDP280GD4WW, GTDP280GD5WW, GTDP280GD6WW