Drywall Knife, Triple-Edge, Heavy-Duty Plastic

10″ x 6″ x 4″, triple edge drywall knife, heavy duty plastic with beveled straight edges, combination tool for applying drywall joint compound: 4″ edge used for first coat, 6″ edge used for second coat, 10″ edge used for top coat, eliminates the need to buy all 3 knives 4″, 6″, 8″, but a little more difficult to use, excellent tool for smoothing wallpaper when applying.