This lot of 10 electrical insulators is a great addition to any collector's display. With a height of 7/16" and a diameter of 3/4", these insulators are the perfect size for display on a shelf or in a cabinet. The bore of the insulator is 3/16" and they are made from high-quality materials. These insulators are perfect for anyone interested in collectibles or for those who simply appreciate the history of electrical insulation. The country/region of manufacture is unknown, but the quality of these insulators is undeniable. Add this lot of electrical insulators to your collection today!