Shaved Door Handle and Smooth Firewall Kit, 18 Gauge Sheet Metal. Used on 1947-53 Chevy 3100 firewalls 55-59 chevys etc You get (5) 1 1/2 (5) 1 3/4 (5) 2” (5) 2 1/4 (5) 2 1/2 (5) 2 3/4 All 18 gauge If you are looking for smaller sizes I have other listings or let me know what you need