Sturdy Material? The series chisels are made of 45-gauge steel, strong and durable, and have a long service life. Not easy to deform, strong penetration. Many Types? We have a total of three types of chisels to choose from: 1 sharp chisel, 1 flat chisel, and 2 widened chisels. It can largely meet your needs. Easy to Install? Thanks to the special design of the chisel tray, it can be installed directly by inserting the hammer drill directly, convenient and quick. Easy to Organize? We have prepared a 27 x 5 x 5 cm plastic case for you as a storage box. So you won't easily lose the chisel. Multifunctional? The chisels are ideal for working on walls, concrete, floors and can also be used for wood carving. Features: The chisel is made of steel, strong and durable, not easy to corrode. There are three types of chisels, pointed, flat and round, which can meet most of your needs. The chisels can be used on stone, concrete or sculpture. We also prepared a case to prevent leakage, for better storage. Specifications: Material: 45 steel Size: 250 * 10mm Quantity: 4 pieces Packing list: 1 * Sharp chisel 1 * Flat chisel 2 * Enlarged scissors 1 * Storage box