Glass Wick Holder To Make An Oil Lamp - Set of 12 6" x 1/8" Fiberglass Wick that Does Not Burn Down Shaft outside diameter 1/4" and Shaft Length 1 1/8" Rounded Collar: Diameter 1/2" Set of 12 Works Best with Winelight Ultra Pure Paraffin Lamp Oil - Not Included but Available on Amazon