Hand Knob, Threaded Insert, Handle Type T, Polypropylene, Steel, Thread Size 1/4"-20/ END ITEM IDENTIFICATION: 4940-01-680-2383 ATTACHMENT METHOD: THREADED HOLES COLOR: BLACK OUTSIDE DIAMETER: 0.75 INCHES NOMINAL LENGTH: 1.44 INCHES NOMINAL MATERIAL: PLASTIC PART NAME ASSIGNED BY CONTROLLING AGENCY: PLASTIC TWO ARM KNOB WIDTH: 2.25 INCHES NOMINAL STYLE DESIGNATOR: MUSHROOM