The COMB DRL&CTSK HS 82° #4 from KEO, available at Field Tool Supply, is a high-speed steel combination drill and countersink tool designed for precision work. With an 82-degree angle and a #4 size, this tool is perfect for creating clean holes and countersinks in various materials. Its durable construction ensures longevity, while the sharp cutting edges provide efficient performance. Ideal for both professional machinists and DIY enthusiasts, this tool enhances productivity and is essential for projects requiring accurate drilling and countersinking.