Creative Hobbies ELY233 - Steel Hex Lock Nut Fasteners - Yellow Zinc Coated, Fits 1/8IP Standard Lamp Pipe, Hardware DIY Repair Part - Pack of 50 Pieces. 1/8IP threaded steel lock nuts fit standard lamp pipe measuring 3/8 inch outside diameter. Yellow Zinc Coated Steel to prevent tarnishing and rusting. Perfect for replacing, repairing or creating lamps and lighting products. Pack of 50 pieces. Imported.