[Product Information]

TITANIUM | HIGH SPEED STEEL: classic high speed steel with titanium coating for proven capability and durability in drilling holes in plastic， aluminum， copper， stainless steel and many other types of sheet metal
135° SPLIT POINT TIP AND TWO-FLUTE DESIGN: increases cutting speed with self-centering and prevents walking， clears chips faster and allows particles to escape easily
TRI-FLATTED SHANK: fits into power tools chuck securely and eliminates slip
ORGANIZED STORAGE: set includes a sturdy aluminum organizing case for secure storage and easy carrying
SET INCLUDES: Drill Bit #1 (10 step sizes): 1/4"， 3/8"， 1/2"， 5/8"， 3/4"， 7/8"， 1"， 1-1/8"， 1-1/4"， 1-3/8”; Drill Bit #2 (12 step sizes): 3/16"， 1/4"， 5/16"， 3/8"， 7/16"， 1/2"， 9/16"， 5/8"， 11/16"， 3/4"， 13/16"， 7/8; Drill Bit #3 (9 steps): 1/4"， 5/16"， 3/8"， 7/16"， 1/2"， 9/16"， 5/8"， 11/16"， 3/4"; Drill Bit #4 (13 steps): 1/8"， 5/32"， 3/16"， 7/32"， 1/4"， 9/32"， 5/16"， 11/32"， 3/8"， 13/32"， 7/16"， 15/32"， 1/2"; Drill Bit #5 (6 steps): 3/16"， 1/4"， 5/16"， 3/8"， 7/16"， 1/2"