T-1 Size Diameter 3mmInside Diameter of Cover: 2.8mm (snug fit)Full Size Height 6.5 mmHalf Size Height 4.3mmThese will fit the any T1 Bulbs that we sell (Bulb is soldseparably, not included) , If you are unsure if your bulb is a T1 please tell us your vehicle year, vehicle name, and bulb location so we can confirm this before purchase.The Bulb Diameter must be 3mm. There is an option to choose full height or half height. If you choose a different height, the bulb cover will still only fit a bulb with a 3mm diameter. Since the actual inside diameter of the bulb cover is 2.8mm you need to carefully slide and pull the cover down slowly. The Amber color will appear Yellow depending on the Brightness. If you specifically need Amber and specifically do not want Yellow, then please do not buy, because you may be unhappy with the outcome.The Dark-Blue will reduce light output (all filters reduce light output)The White-Blue filter is more white than blue. The Dark-Blue or White-Blue is not suitable to match GM Radio, but you may still try. We have other colors and for other bulb sizes.We also have T1.25 (T5) and T3.25 (T10) .Please Ask before purchasing.Wholesale welcome.3,RcmdId ViewItemDescV4,RlogId p4%60bo7%60jtb9%3Fud.ro77%2861m25%3E3-13976c9eb85-0x103-->
