The COMB DRL&CTSK HS 1.00X 3.15PL from Field Tool Supply is a versatile combination drill and countersink tool designed for efficient drilling and finishing. With a diameter of 1.00 inches and a length of 3.15 inches, this tool is perfect for creating precise holes and countersinks in various materials. Constructed from high-speed steel (HSS), it provides exceptional durability and cutting efficiency. Ideal for both professional and DIY applications, this tool meets industry standards for quality and performance, ensuring reliable results in every project.