Tiny Clear Glass Oil Lamp Chimney Measures 1 1/4 inch wide at the Base for Miniature Oil Lamps Chimney measures 4 1/2 inch height and has a 1 1/2 inch maximum width in the bulge. Made with borosilicate glass for superior clarity, heat resistance, and quality. Easy to clean and will last for many years. Fits Japanese style burners as well as other Small burners with 1 1/4 inch gallery. Glass chimneys will vary in thickness due to the manufacturing process and will fit the holder/burner specified in their description