Product name: For DJI Mavic 4Pro remote controller aluminum alloy 1/4 expansion piece Product features 1. Suitable for RC PrO aluminum alloy 1/4 expansion adapter, made of aluminum alloy, 1/4 screw hole can be used with a variety of accessories, rich creation, strong. 2. High strength and durability, no fear of shaking and falling off, can be installed up and down, specially designed for RC Pro 2. The design does not affect the plug-in, and there is no need to disassemble and store; 3. Finely processed aluminum alloy material, high strength and safer to use 4. Can be used in a variety of scenarios such as adapters, tripods, handheld cameras, etc. Installation steps: 1. Align the bottom hole of the remote control 2. Align the expansion piece with the crossbar screw hole 3. Put in the screw and tighten it 4. Tighten the screw and it's done Color: black Net weight of the product: 34.2g Gross weight of the product: 50g Product size: Crossbar: 6*4*0.3cm Expansion piece: 3*2.5*2cm Delivery size: 19.5*13*3cm