Milwaukee 4-PC Countersink Drill Bit Set a versatile solution for your pre-drill and countersink needs. This set includes #6, #8, and 0 countersinks, along with a 1/4-inch Quick Change Hex Shank that allows for fast and easy size changes. Designed for precision, the adjustable lengths provide accurate depth control, making your drilling tasks more efficient and professional. Whether you are a DIY enthusiast or a professional, this drill bit set is built to deliver reliable performance and convenience. Model Number: 48-13-5003