USG SHEETROCK Tools 12" Classic Stainless Steel Drywall Mud Pan Sheetrock Stainless Steel Drywall Mud Pans were designed and field-tested to exceed your demanding expectations. USG SHEETROCK Tools Classic Drywall Mud Pans are built with Stainless Steel for extra long life, and feature rounded bottom corners that make scooping your mud far easier than conventional pans.