*Product Description: This product is a 2-in-1 set of nut clamps and nut rails. *(Adjustable) This nut lock clamp allows you to move the plate along the nut rail by loosening the red adjustment knob. *Compact and Lightweight: This product is made of CNC machining, and is made of high quality aluminum alloy plates. It is extremely lightweight and has good corrosion resistance. While maintaining beautiful design and strength, the lightweight camera rig is an innovative accessory that enhances scalability. *【Versatility】 There are 1/4"-20 and 3/8"-16 screw holes on the top of the plate so you can attach small videos, monitors and wireless receivers. In addition, you can attach camera accessories such as LED lights, microphones, cold shoes, etc. *Product Specifications: Material: Aluminum alloy; Color: Body: Black; Adjustment Knob: Red; Product Weight: 1.6 oz (48 g); Package Contents: Nutlock Clamp: 1 pc; Hex Spanner: 1 pc; Screw: 3 pcs; [Safe Quality] Shipped from Amazon delivery center, so you can quickly and safely deliver it to your home. There may be scratches or dents on the outer box during transportation, but please rest assured that the contents will not affect the product. Also, if you have any questions or problems about the product, please feel free to contact us at any time.