Made of plastic and metal material, solid, durable and wear-resistant. Small size, lightweight and portable. This adapter attached with a locating pin for camera, it helps the adapter to lock the camera position precisely to prevent screw loosening and shifting camera. Quick release for fast attachment or detachment of the mount accessory. 1/4 inch screw interface allows you to mount camera to accessories. 1/4 nut universal adapter, can be used for 1/4 nut action camera. Color: black Size: 36*38mm Delivery quantity: 1 piece Note: Other items are not included here, other pictures are just showing effect. Due to the difference between different monitors, the picture may not reflect the actual color of the item. The products are all measured manually, please allow errors, thank you!