Master Painter Best, 4", Flexible Taping Knife, Specially Designed With Ergonomically Engineered Handles To Decrease Hand Fatigue, Extra Sturdy, High Carbon Steel Blades Resist Rust & Extend Through Handles For Maximum Strength & Durability, Durable Brass Plated, Solid Steel, Nail Setting Head Can Be Used For Setting Nails & Other Hammering Jobs.