The COMB DRL&CTSK HS 1 X 3 KEO from Field Tool Supply is a high-speed steel combination drill and countersink tool, featuring a drill diameter of 1 inch and an overall length of 3 inches. This versatile tool is designed for efficient drilling and countersinking in various materials, providing precision and durability. The high-speed steel construction ensures resistance to wear, making it suitable for both professional and DIY applications. Compatible with standard drill chucks, this tool meets industry standards for performance and safety, making it an essential addition to any toolkit.