About this item 7 kinds of pneumatic air rivet hammer tools with 1 piece spring, compact size and multifunctional, suitable for various working or renovation needs. Made from alloy steel, heat-treated high carbon steel for necessary hardness and durability. Designed for masonry and concrete demolition, chiseling, and gouging applications. Can be used on brick, stone, concrete, tile, and hollow brick materials. Color: black and gray Fits most pneumatic hand air impact hammers, scrapers, or chisels. Air Chisel Set Material: Steel Package Contents: 1 x Air Chisel Set (8 pieces) Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item to appear slightly different from the real thing. Measurement allowance is +/- 1-3 cm.