Multi Purpose Drill Bit Set 7PCs 3,4,5,6,8,10,12mm

Made of high quality material, durable and practical to use
Widely Used: Sharpened cutting edges for multi-purpose drilling on drywall,bricks,tiles,wood,aluminium and metal sheet
Small incision resistance, fast hole speed, easy chip removal
Material: 40Cr (knife head:YG6)
Includes: 7PCS (3/4/5/6/8/10/12cm) (Approx.)