Putty knives are generally smaller, stiffer, and better suited to heavy scraping while drywall taping knives are generally wider, more flexible and better suited to spreading and feathering and to more delicate scraping work. This Warner High Carbon Steel Flexible Joint Knife has a 6 in. wide taper ground, mirror polished blade. The easy to use tool has a comfortable soft grip handle with a die cast hammer end.
Flex blade that works great with heavier spackles and compounds
Standard carbon steel hollow ground blade to provide consistent flex and proper stiffness
Comfortable soft grip ergonomic handle for extended usage periods
Full tang blade to prevent blade breakage
Tapered handle design making the tool easier to clean after usage