The Handles Are Made Of Good and high quality durable PP+TPR Plastic,Maximizing Comfort And Grip When Working The Metal Blade Is Sharp And Easy To Clean Making It An Ideal Product For All Craftsmen.Exceptionally Well Crafted Heavy Duty Metal Blade With Strong Plastic Handle Commercial Quality Product Can Be Used In Industries, Construction, Household, Etc. Ideal for puttying windows, scraping paint, removing loose putty, removing loose paint, removing vinyl or paper wall covering or patching dents cracks holes in plaster, Including drywall, putty, stucco and much more. This drywall scraper set comes with 4 different sizes of wideness, varying from 5 inch, 4 inch, 3 inch, 2 inch meet your different needs for home drywall repair and more.The putty knife blades are made of quality CR-V alloy steel, durable, flexible and high hardness & long service life.