DWDDL12X11/16X1/2 Size: 11/16" x 12" Features: -Drill bit.-Material: High speed steel.-Straight shank.-Shank diameter: 1/2.-Dec. equivalent: 0.6875 or 1.0000. Dimensions: -11/16" x 12" Drill bit flute length: 9.-1" x 18" Drill bit flute length: 13.-11/16" x 12" Drill bit overall length: 12".-1" x 18" Drill bit overall length: 18".-Product weight: 2.9 lbs.