(10 Pack) Drill To Size 10-32 UNF Air Bleed Screw In .020" Pilot Hole Fits: Holley Carburetor Drill To Size 10-32 UNF Air Bleed Screw In Style, Fits: Holley Carburetor Specs: *Sold as a 10 Pack *Countersink Style #10-32 UNF Thread Size *Blanks With a Pre-Drilled .020 Pilot Hole *These Parts Will Come In Bulk Style Bag Packaging