Feature: 1. All metal and high quality compression spring screws and double non slip engraved design greatly increase friction, and it is effortless to screw it by hand. 2. The graduation mark is convenient for the use of the gradient lens, and three square filters can be installed quickly. 3. Easy to operate and easy to use, it is used on a lens with focal length greater than 18mm / 0.7in of the full frame camera. 4. It is made of high quality plastic material, strong and durable, tough enough, and more flexible to use. 5. With wide compatibility, it is compatible with adapters with 67mm 72mm 77mm 82mm 86mm diameter. Specification: Item Type: Filter Holder Material: Plastic Product Color: As Pictures Shown Product Weight: Approx. 71g / 2.5oz Scope of Application on the Reverse Side of the Filter Holder: For 67mm 72mm 77mm 82mm 86mm diameter filter adapter ring Scope of Application on the Front of the Filter Holder: For 100mm square filter. Package List: 1 x Filter Holder