Dewalt dt79202bqz small tough case metal drillscrew driving sets dewalt dt7920b qz this 13 piece metal drill set from dewalt is perfect for drilling in steel alloyed and non alloyed sheet metal or thin materials where accurate burrfree holes are required also suitable for use in wood and plastics the sizes included in the set 15 2 25 3 32 35 4 45 5 55 6 65 and 7mm dewalt dt7920b qz small tough case metal drill set 13 piece