Overview Reviews Product Description Appleton BU400 - 4" Threaded Malleable Iron Bushing Size: 4" Malleable Iron, Zinc Electroplated Product Videos Custom Field Condition New Product Reviews Write a Review Write a Review × Appleton Appleton BU400 - 4" Threaded Malleable Iron Bushing Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *