Twist Drill Bit17pcs 12pcs hss drill bits5pcs masonry drills

12pcs HSS Drills: 1/16”, 5/64”, 3/32”, 7/64”, 1/8”, 9/64”,

 5/32”, 3/16”, 13/64”, 7/32”, 15/64”, 1/4”

5pcs Masonry Drills: 4mm, 5mm, 6mm, 7mm, 8mm,

Twist Drill Bit