Features and Benefits:�Increased drilling precision: Achieve exact spot drilling�Versatile: Use with Milwaukee core bits 1-3/4" or larger and corresponding Milwaukee guide platesIncrease your precision in masonry and concrete drilling with the Milwaukee® centering pin for large thin wall core bits. You'll get exact spot drilling when you use Milwaukee's heavy-duty centering pin and guide plate (not included) for starting holes with all rotary hammer drills.