Masonry Drill Bit 

Item No.: MDB701S
7 pcs Masonry Drill Bits Set
Size: 1/8" - 3/16" - 1/4" - 5/16" - 3/8" - 7/16" - 1/2"" x 7 pcs

Item No.: MDB801S
8 pcs Masonry Drill Bits Set
Size: 3 - 4 - 5 - 6 - 7 - 8 - 9 - 10mm x 8 pcs