80 Pcs 4.8mm x 16mm Aluminum Open End Large Flange Blind Rivets Female Threaded Hex Standoffs White Black plastic and easy

White Black plastic and easy to read scale and a button for fine tuning the dial

55-inch x 0

and finally reinstall the bottom cover

Flange hex head has the same characteristic as external hex with washer

80 Pcs 4.8mm x 16mm Aluminum Open End Large Flange Blind Rivets Female Threaded Hex Standoffs White Black plastic and easyDurible Material All aluminum rivet body and rivet mandrel, with lightweight but strong and better corrosion resistance. Great Accrssory Widely used in buildings, cars, ships, aircraft, machines, electrical appliances, furniture and other products. Great for both indoor and outdoor use. Firmly Performence Strong enough to support all of your projects. Superior corrosion resistant suitable for salt water applications. Professional Need special tools