90 Degree Outside 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 Is Spot Welded To The Blade, Handle Surface Reduces Hand Moisture To Improve Grip, Better Ergonomics & Less Hand Fatigue.