Call to speak with a Sales Associate (800) 542-2379 Monday through Friday 7AM-7PM (Central) and 8AM-Noon on Saturday.
Aluminum Base Plate, 4" x 4", Thickness is 3/16" and Hole size is 3/8".
Aluminum Base Plate, 5" x 5", Thickness is 1/4" and the Hole size is 3/8".
Aluminum Base Plate, 3" x 3", Thickness is 3/16" and Hole size is 7/16".