Satco's 12-watt taper back track head is a sleek lighting solution for residential and commercial applications. This black fixture is dimmable, durable, and has a 36 degree beam spread. Versatile and contemporary, this track head delivers 30,000 hours of warm white light.|Satco's TH454 12-watt taper back track head is a sleek lighting solution for residential and commercial applications. This black fixture is dimmable, durable, and has a 36 degree beam spread. Versatile and contemporary, this track head delivers 30,000 hours of warm white light.