Triple Edge Drywall Knife

10" x 6" x 4", Triple Edge Drywall Knife, Heavy Duty Plastic With Beveled Straight Edges, Combination Tool For ApplyingDrywall 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.