Frame Hole Repair Solution: Designed specifically to fill holes in heavier gauge areas of a vehicle such as the frame and structural components, 11 Gauge Steel Construction: Made from approximately 0.1196" thick steel to provide strength and durability suitable for frame repair applications, Centered Butt-Weld Design: Tabs around each patch center the disc in the hole while creating a proper gap for strong, clean butt welds, Assorted Patch Sizes: Includes a 29-piece assortment of common hole sizes to handle a wide range of repair and fabrication needs, Cleaner Long-Term Repair: Eliminates cracking, chipping, and durability issues associated with fiberglass or body filler repairs.