Woodtek 921873, Bits, Drill And Boring, Bradpoint, 1/8 Carbide Tipped Bradpoint Bit, Model: Woodtek carbide tipped metric bradpoint drill bits give superior wood boring performance. Specifications: Bit Diameter=1/8 in, Flute Length=1-1/2 in, Material=CARBIDE TIPPED Specifications: Overall Length=2-15/16 in, Shank Diameter=1/8 in