Heavy gauge, stainless steel with heli-arc welded corners and water tight construction. Tapered ends and sides.

Circle Brand Heli-Arc Stainless Steel Mud Pan are what they sound like. They have sharp edges for whipping mud off of knives. The Circle Brand pan features heli-arc welds that prevent leakage. Most others mud pans are  folded and riveted or folded and welded, but not with the precision of the heli-arc weld where there’s no folded edges of metal