The Lastolite Tungsten Head is a 3200k continuous light source for use in studio. The head comes complete with a standard 21cm (8.5) reflector. Made from a strong glass fibre & nylon body designed to stand up to many years of high temperature operation. The standard 21 cm (8.5") reflector gives a soft even beam of light suitable for most subjects. Uses a 500W Tungsten lamp not included.