Motorcycle Mirror Chrome Maltese Iron Cross. Looking for something a little different for your favorite ride? Here it is. Now you won't have to look over your shoulder so much! Show chrome head with chrome steel arm. The base can be adjusted for left or right side mounting. The mirror head is just over 4" x 4" and the arm is 5/16" x 7". Did you notice that the adaptors and an allen wrench are included?