Pilot drill bits 

Two (2) identical units
Diameter: 1/4" steel 6.35mm 
ACE model #:  24331 

NEW IN PACKAGE

Brand ACE Hardware Corp.
Manufacturer Part Number 24331
Diameter 1/4"  0.250"  6.35mm
Overall Length 2.875"
Material HSS
High Speed Steel
Color Silver
Tip Standard
Shank Flatted
UPC 082901243311