AvantiPRO Carbide-Tipped Masonry Drill Bit Set (14-Piece)AvantiPRO masonry drill bits provide top quality performance when drilling into brick or block. This range features a carbide tip for extra durability and longer life in tough applications. Dual flutes remove dust and debris for cleaner holes. AvantiPRO masonry drill bits are only for use with drills in rotary mode. Set features 14 bits: (3) 1 8 In., (2) 5 32 In., (3) 3 16 In., (3) 1 4 In., (1) 5 16 In., (1) 3 8 In., (1) 1 2 In. %search_data%PMAPC1070