Bosch universal drill bit set 4-12 mm 7 pieces

Set 7 pieces universal drill bits: Ø 4 -5 -6 -8 - 10 - 12 mm., diamond ground cutting edges, for all materials (concrete, masonry, brick, light building materials, layered materials, ceramics and tiles, wood, plastic, metal sheets, aluminum), optimum results in rotary and impact drilling.