DIY Frequently Asked Questions / Putty Knife')">
Putty knives range in size from 1″ to 3″. Generally, the greatest demand is for 1-1/4″ and 1-1/2″. Models with wider blades are joint taping knives.
Blades range from stiff to flexible for different tasks.
The finest quality putty knife blades are made from mirror-finished, high-carbon steel and are hardened, tempered and individually ground.
Used for applying putty and spackling as well as scraping paint, chipping out old putty, scraping off accumulated grease and scraping old finishes off furniture.