Purpose: This tool is used for spreading joint compound (also known as "mud") on drywall, covering seams with tape, and smoothing surfaces.
Features: It typically has a carbon steel or stainless steel blade, a reinforced aluminum profile, and an ergonomic handle for comfortable grip.
Sizes: While the image shows an 8" (200mm) knife, Ingco drywall taping knives are also available in other sizes like 10" and 12".