HERE ARE 2 VINTAGE BROWN BAKELITE KNOBS W/BRASS INSERTS AND SKIRTS. FIT 1/4" HALF SHAFTS.THEY ARE IN EXCELLENT CONDITION. SKIRT IS 1 13/16" OD. BROWN KNOB IS APPROX 1 1/2" OD. 3/4" OVERALL DEPTH. GREAT QUALITY. USED ON ALOT OF VINTAGE EQUIPMENT. BUYER PAYS SHIPPING.