The AllPoints Foodservice Parts & Supplies 221666 is a durable center plate knob designed for food slicers. With an outer diameter of 1-5/32 inches and a 1/4"-20 thread female fitting, this knob ensures a secure and reliable attachment. Constructed from steel and finished with a chrome plating, it offers both strength and a sleek appearance, making it an ideal replacement part for maintaining your food slicer's performance.