The Platinum Drywall Tools 4" Flat Applicator is made of one-piece, high-grade aluminum bodies for sturdiness and durability. Attractive platinum anodizing gives the tool long-lasting protection from corrosion. Invest in the Platinum Drywall Tools 4" Flat Applicator and take the first step in achieving a flawless finish for your next drywall project. Finish like a Pro with Platinum Drywall Tools.