90 Degree, Inside Corner Trowel, 4-1/2" x 4" Blade Is Made With Full Hard Stainless Steel, Naturally Rust Resistant, Signature Cool Grip Ii Round Handle Has Soft Overlay Molded To Smaller Polypropylene Handle, Handle Is Attached To Square-Plated Shaft That Is Spot Welded To The Blade, Handle Surface Reduces Hand Moisture To Improve Grip, Better Ergonomics & Less Hand Fatigue.