Hyde 12" blue steel joint knife for drywall joint taping, finishing and patching is 23% lighter than conventional taping knives. Also use as smoothing tool and wallcovering trim tool. Hyde Professional line of taping knives sets the pro same old. They feature rust-resistant chrome steel blades, double hollow-ground for the very best flex-points, and luxury grip handles. These tools are the answer for paint professionals and others who use paint preparation tools, and drywall taping tools extensively.