Univen chrome attachment cover cap hub and mixer attachment knob screw fits KitchenAid stand mixers. Cap hub cover will replace KitchenAid part numbers 242765-2, 4163469 and 4159713. Attachment knob will replace KitchenAid part numbers WP9709194, 9709194, 4162142, 1262050, 240374, 4169829, AH991938, EA991938, AP6013782, AP3952642, PS11747009, PS991938. 1/4-20 thread size. Quality parts manufactured by Univen.