Features: Brand new and high quality 4 color filters to allow you to have different background colors. They are used to either correct the light balance or create dramatic lighting effects. These are also used to change colors of backgrounds. The honeycomb grid will turn a strobe-head into a specular light sources. It will emit a beam of lights precisely where you aim. Photographers who use these tend to use many, ''painting a scene'' precisely with pools of light. This 4 leaf barndoor set is specifically designed for use on the reflector. Barndoors is essential accessories for any lighting system. These devices alter the shape, intensity, or color of the light output from your flash heads. Use of a barndoor set will result in a shaft of light, when it is attach to the front of the reflector of your light sources. The size of the shaft of light will be determined by the opening of the leaves, and the distance of the light from the subject. This Barn Door is fixed on standard reflector.It is also packed with 4pcs filters. Take advantage of the filters to shoot in different environment. Specifications: Material:Metal Dia:Approx.18cm/7.08inches Package Includes: 1x Barn Door 1x Honeycomb Grid 4x Color Gel Filters note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.