DeWALT 10-Piece SDS Drill Bit Set for Masonry, 12mm Max, 5mm Min, Metal Bits

The DeWALT 10 SDS plus extreme drills it has connectable case allows multiple sets to be stacked and locked together. It is compatible with the TSTAK system via the large tough case.

Compatible to hold all your accessory sets in one place
Tapered central core increases stability and durability, reducing breakage