This is a RLT TOOLS 16pcs Hole Saw Drill Bit Set in a gray storage case.
Components: The kit includes 12 saw blades ranging from 3/4 inch to 5 inches, arbors (mandrels), a pilot drill bit, an installation plate, and a hex key.
Material: The tools are constructed from high-strength carbon steel with heat-treated serrated teeth.
Applications: These saws are suitable for cutting soft wood, plywood, drywall, PVC, and plastic.
Compatibility: The set is compatible with standard power drills and impact drivers.