The UNIBIT 1T 1/8-1/2 from Field Tool Supply Co is a high-quality step drill bit that offers a size range from 1/8" to 1/2". Ideal for drilling through various materials, this bit is made from durable high-speed steel, ensuring long-lasting performance. Its innovative step design allows for easy size transitions, making it a favorite among professionals and hobbyists alike. The 1/4" shank fits most drill chucks, providing versatility in use. Whether you're working on metal, plastic, or wood, this bit delivers precision and efficiency, making it a must-have in any toolkit.