About this item 7 kinds of pneumatic air rivet hammer tools with 1 pcs spring, small size and multifunctional, could satisfy all your different working or renovation needs. from alloy steel, manufactured heat treated high carbon steel for necessary hardness and durability. Design for masonry and concrete demolition, hard surface up and chiseling, and gouging work you need for . Can be used in Brick, Stone, Concrete, Tile, Hollow Brick, Materials. Color: black and gray Fits most pneumatic hand air impact hammer, scrapper or chiseler. Air Chisel Set Material: Steel Package Contents: 1 x Air Chisel Set(8pc) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.