Features High carbon steel material: this carbon steel pipe plunge drill bit is extremely wear-resistant and corrosion-resistant and ensures a long service life. Working with guns: This upset drill has been specially developed for use with guns and significantly increases your work efficiency. 5-IN-1 SIZE: Available with various flexible sizes, easy to install and disassemble, perfectly match different applications. Compact and portable: you can take these drill bits with you and store them effortlessly, saving valuable storage space. Wide application: this pipe expansion drill is available in sizes from 1/4 to 3/4 inch and offers a wide range of options for different drilling needs. Specification: Item Type:5 in 1 Pipe Plunge Bit Material: High Carbon Steel Expanded tube size: 1/4, 3/8, 1/2, 5/8, 3/4 inch Package list: 1 x 5-in-1 pipe plunge drill Package List 1 x 5 in 1 Pipe Swaging Bit