<p>Features:<br/>Good not easy to rust.This is the plastic plate attached to the underside of the base.<br/>Helps to strengthen the bottom of the for tour pack and increase its service life. Enhanced secure installation support on mounting luggage racks.<br/>Easy installation: Mount directly to the bottom of the mounting luggage rack with pre-drilled holes in line with the for tour pack holes.<br/>Item name: universal luggage box for case trunk tail box quick release base.<br/>No instructions available ,easy to install back on original position.<br/><br/>Specifications:<br/>Material:Plastic<br/>Size:Approx.18.5x17.5cm/7.28x6.88inch<br/>Color:Black<br/><br/>Package Includes:<br/>1 Set Tail Box Fixing Plate<br/><br/>Note:<br/>1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order.<br/>2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.<br/>Thanks for your understandings.</p>