These packages are a great value. The core bits are at the regular great price and you get the tool for cost. Package includes one each of each size in a yellow standard 2-1/2", 3",3-1/2", 4", 4-1/2", 5", 6", pluse an MK 130/3 hand held wet coring tool.
The MK-Black is a supreme core bit engineered for exceptional footage and fast/aggressive drilling characteristics. Excellent performance in applications associated with moderate to high steel reinforcement.