Horusdy 15 - Piece High Speed Drill Set. Can be used in concrete, flooring, brick, stone , wood and multi-material impact on the hole, also in wood, metal, cermaic and plastic drilling.
 
Sizes: 1.5, 2, 2.5, 3, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 5/16 
Material: HSS