Putty Knife for cementing windows, Removing light putty, Scraping paint, Removing light paint, Removing vinyl or paper wall Covering and Patching Dents cracks holes in Plaster. Taping knife nonpareil for Patching too large areas, drywall joints. 2,3,4 inch Putty Knife A putty knife is a specialistic tool put-upon when glazing unshared vitreous windows, to work putty around the edges of each dot of glass. An practiced glazer will the putty by hand, and then uncrannied it with the knife. Modern glazing may use added ways of securing the glass to the window frame. A spackle knife -LRB- called a scraper in nation humanities, also legendary as a spatula in English humanities -RRB- is also commonly a `` putty knife '', and is victimised for scraping surfaces or spreading information specified as plaster in different construction trades. A taping knife drywall tool with a spacious complex body part is victimised for spreading butt compound, also as `` mud ''. It can be to spread mud period of play nail and screw indents in original drywall applications and is also victimised when using paper or fiberglass drywall tape to cover seams. added vulgar uses patching holes, smoothing wall-coverings and creating specialization esthetic wall finishes.