Progress Lighting P6124-09W 12 Volt MR16 Flex Track Head with 2-1/4-Inch Single Color Glass, Brushed Nickel Brushed Nickel Finish. White glass Attaches to 12 volt Illuma-Flex track 2-3/8-Inch Width x 6-Inch Height Uses (1) 50-Watt MR-16 bulb (included) Progress Lighting has over 5,000 lighting fixtures offered in our catalog, the largest single source for residential and commercial lighting