Features 5 Pcs Set: This step drill bit set includes 5 pieces, with specifications ranging from 1/4in to 1‑3/8in, 3/16in to 7/8in, 1/4in to 3/4in, 1/8in to 1/2in, 3/16in to 1/2in, providing versatility for various drilling needs. Multi Functional: These drill bits are designed for step drilling, cone drilling, twist drilling, and hole reaming, suitable for different drilling tasks. Carbide Material: Well crafted from premium carbide material, these drill bits are rust prevention, ensuring long lasting performance and extended use. Multiple Purpose: Suitable for drilling in various materials such as wood, metal, plastic, and more, these step drill bits are versatile and can handle a wide range of drilling projects. Wide Application: Ideal for maintenance work, home decoration, DIY projects, this stepped drill bit set is a must have tool in your toolbox. Specification: Item Type: Step Drill Bit Material: Carbide Specification: 1/4 to 1-3/8in, 3/16 to 7/8in, 1/4 to 3/4in, 1/8 to 1/2in, 3/16 to 1/2in Package List:5 x Step Drill Bit Package List 5 x Step Drill Bit