Titanium-coated, high carbon steel flat drill bits for wood, composites and plastics, supplied in a handy, soft-grip storage case. Compatible with all 13mm 3-jaw chucks. Includes 10, 12, 16, 19, 22, 25 and 32mm. Titanium-coated, high carbon steel flat drill bits for wood, composites and plastics, supplied in a handy, soft-grip storage case. Compatible with all 13mm 3-jaw chucks. Includes 10, 12, 16, 19, 22, 25 and 32mm.