1.16.8cm diameter honeycomb grid, compatible for 7 inch standard reflector lamp shade. 2.60° honeycomb, it can great narrow down the light-throw from your lamp shade and provide an excellent shadow effect. 3.Made of high-quality aluminum material, exquisite and durable. 4.Perfect for photography of product, advertising, figure, portrait, art, wedding etc.. 5.It could be easily removed and attached from your lamp shade. Material:aluminum Angle:60° Diameter:16.8cm / 6.6 inch Fit:7 inch Standard Lamp Shade Package Size:17 * 17 * 1.3cm / 6.7 * 6.7 * 0.5 inch Color:Black Package Contents: 1* cellular network Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.