Features: Experience precisions with our step drill, featuring a 4-32mm diameter range and crafted from strong steel, ensuring high performances across various materials. This step drill boasts a unique X shape centering designs and round shank, providing secure stability in any drill chucks and reducing slippage during operation. Especially designed for professional craftsmen, DIY enthusiasts, and metalworking users, this tool is designed to meet the demands of diverse drilling tasks with ease. With its strong construction and efficient spirals grooves designs, this drill bit minimizes frictions, extending the tool lifespans while delivering clean, precise holes every time. Perfect for use on materials such as wood, plastic, aluminum sheets, and more, it excels in both home improvement projects and industrial applications. Specifications: Materials: Steel Color: As The Picture Shows Package Weight: approx.214g Type: 66MM/74MM/103MM (Optional) Length 1: approx.66mm/2.59in (More Size Detail, Please See Picture.) Package Includes: 1Pc Step Drill Bits note: Please allow 1-3mm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!