Product Overview Four Bulbs 25T-8 N 120V This is a 120 Volt bulb with an E17 (17mm) screw base. The glass diameter is approximately 1 inch and the overall length of the bulbs is approximately 2.65 inches. Please review the images for details. Please note: The 17mm base is wider than a regular Candelabra base. Please measure your existing bulb base to make sure that these are a correct fit. 17mm is approximately two-thirds of an inch. For additional specifications, please review the item specifics. All bulbs are shipped in a cardboard box , not a padded envelope. Reviews (No reviews yet) Write a Review