Heavy Duty Scraper
Is used to scrape old wallpaper off walls and peeling paint from work surfaces.
Blade is removable for replacement and is secured with screws.
Angled head offers enhanced leverage.
Many now come with ergonomic rubber grip handles for enhanced comfort.

Paint and Varnish Scraper
Also called a wood scraper.
Removes old finishes and smoothes the surface with its sharp cutting blade.
Often used with paint strippers and other chemical removers
Can either have a fixed blade like a putty knife (generally called a wall scraper) or a replaceable blade.
Sizes range from the 1" blade—primarily used for small, hard-to-reach areas—to a 5" blade.
Replaceable blades are usually made from tempered, high-carbon steel. Some have carbide or even diamond-honed blades for greater cutting ability and durability.
Contour scrapers can accommodate a variety of blades for removing materials on rounded surfaces and in grooves.

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.

Painter’s Tool
Also called 5-in-1, 6-in-1 or 8-in1 Tool or a Glazier’s Tool.
Can be used for a variety of tasks, as a scraper, spreader, crack cleaner, roller squeegee and even a can opener.
Half-round cutout helps remove paint from rollers during cleaning.
Blade is fixed to handle.
Many models have ergonomic handles for enhanced comfort.

Glass/Paint Scraper
Used to scrape excess paint off windows.
Can accommodate either single- or double-edge razor blades.
The most popular type has a retractable blade that slides out of the handle and back in for safety purposes when not in use.
Courtesy of NRHA.org