High Quality Aluminum Material. Accurate hole alignment. Waterproof. Effortless installation. Wide Application: RV, Trailer, Roof, Yacht. Installation Steps Method 1:1. Mark holes on your vehicle for the mobility mount using a pen or pencil. 2. Drill 5mm (3/6 inch) pilot holes. the mounting is at least 1.5 mm thick. 3. Attach the mount with screws and washers. Use a 13 mm (1/2 inch) deep socket fo best results. 4. Pass the for cable through the mobility mount opening and out the front. 5. Plug the Ethernet cable into the for , ensuring it's fully inserted. Slide the for into the mount until it clicks. 6. Using the screwdriver, drive in the two locking screws until hand tight. Installation Steps Method 2: 1. Mark the 4 hole locations on your vehicle and mobility mount using a pen or pencil. 2. Drill the holes with a 9mm (3/8 inch) drill bit. 3. Insert bolts with washer through the mount and holes, then secure with nuts. Use a 14 mm deep socket. 4. Feed the for cable through the mount and out the front. 5. Plug the Ethernet cable into the for ensuring into the for , ensuring it's fully inserted, Slide the for into the mount until clicks. 6. Using the screwdriver, drive in the two locking screws until hand tight. Colour:Photo Color Material:Aluminum Alloy Package Contents: 1 x Standard Mobility Mount 1 set x accessories(The color of accessories is random and specified colors are not accepted.) Only the above package content, other products are not included. Note: Light reflection 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.