Features: Made from aluminum alloy with Elinchrom mounting. Outer diameter of the lampshade: approx 210 mm (8.3 in) Inner diameter: 198 mm Height: 138 mm Elinchrom mounting diameter: 118 mm. The Elinchrom mounting part is made from thick aluminum alloy, durable and long-lasting. The surface has a baked-on treatment. A shell-like reflective layer on its inner wall. Compatible with various brands of studio flash lights and outdoor lights with Elinchrom mounting. With a curved edge design on the outer opening edge, prevents hand damage. Delivered with 10, 30, 50 mm diffusers, attaching one of them to the lampshade can significantly reduce light spill from your lampshade and provide an excellent shadow effect. Easy to disassemble and install. A great and essential accessory set for portrait photography and commercial photography. Specifications: Material: Aluminum Alloy Application: For various brands of studio flash lights, outdoor lights with Elinchrom mounting Mounting: Elinchrom mounting (118 mm) Outer diameter of lampshade: approx 210 mm Inner diameter: 198 mm Height: 138 mm Diffuser size: Diameter: 196 mm Thickness: 12 mm 10 or 30 or 50 Diffuser Weight: 85 g 71 g 70 g Lampshade Weight: 180 g or 6.4 oz Packaging size: 22.5 x 20.3 x 23 cm or 8.9 x 8 x 9.1 in Packaging weight: 778 g or 27.5 oz Packaging list: 1 x 210 mm Elinchrom Mounting Reflector Diffuser Shade 1 x 10 mm Diffuser 1 x 30 mm Diffuser 1 x 50 mm Diffuser