1. Borosilicate glass rod, glass rod, borosilicate glass solid rod, 2.shape: round, flat, triangle, hexagon, profile rod glass rod with spheremany colors: yellow, blue, green, amber ... by buyersPacking: safe packing, or decided by buyers.Please contact with us for more information.Diameter: 4-42 mm Length: Below ... resistant Suit for super quality architectural lamps,Decorative glass glass rod