8 Piece Masonry Drill Bit Set suited to Stone, Masonry, Bricks, Concrete and Blocks from Abracs The Abracs PDBSET8 Masonry Set consists of 8 Drill Bits in sizes ranging from 4mm - 10mm, all with Straight Shanks in a handy storage case. Abracs Masonry Drill Bits feature a strengthened flute & fully ground carbide tip to deliver clean, smooth holes in stone, concrete, brick, blockwork & other general masonry materials. Ideal for fast and accurate drilling of plug, anchor or clearance holes. Exceptional drilling speeds, long life and ultimate performance. Features: Suited to Stone, Masonry, Bricks, Concrete and Blocks Long life Exceptional Speed Heavy duty Contains: 1 x 4.0mm  1 x 5.0mm  1 x 5.5mm  1 x 6.0mm  1 x 6.5mm 1 x 7.0mm  1 x 8.0mm  1 x 10.0mm