Manual Bead Roller, form panels and parts. Creates straight-line bends in up to 18-gauge steel, 20-gauge stainless steel or 16-gauge aluminum. Make floor pans, firewalls, truck bed floors, wheel tubs and other parts in minutes. This bead roller is also great for adding ribs, flanges and channels that increase overall strength. Use this metal forming tool to fabricate OEM-style replacement parts or great custom designs and artwork. Includes sets of dies.