Check the listing for details. Drywall Corner Tool 6" Stainless Steel Inside Corner Knife, Silver. Condition: New. Listed at 14.47 USD. These plaster corner trowels have premium 410 stainless steel blades and stainless steel handles, high strength, mirror finish, rust and corrosion resistance, ease of cleaning. Their precise flexibility ensures superior finishes, faster application and long-lasting sturdiness.These concrete finishing tools feature high hardness and lightweight construction, making them easy to handle for quick, labor-saving wall leveling. Featuring a 90° curved design, this stainless steel corner trowel delivers seamless finishes on drywall corners and enhances construction efficiency.These bricklaying trowels work seamlessly across a wide range of applications, perfect for both professional construction jobs and DIY surface finishing projects.