Blade measures 5" wide flexible blade for applying compounds, smoothing and taping. Highest quality Black & Silver^® joint knife with rust-resistant stainless steel blade and durable nylon handle. Full-tang blade. 420-series cutlery grade stainless steel blade. For use in the most harsh and abrasive environments. Full tang blade construction. Blade individually ground and polished. Patented nylon projection-interlock handle resists thinners. Guaranteed forever by Hyde.