This is an Astro product, the 7170 is a back-plate by Astro for use with the Peruga and Chuo range. This item is the Chuo 250. With this product you will receive the 1 light back-plate and the shade you have selected. This simplistic fitting will complement most decors as it is tidy and comes in a choice of white or oyster. The Chuo range is also available in different sizes, to view the whole range please type 'Chuo' into the search box.