(10 Pk) Blank Drill To Size 6-32 Emulsion Jets Screw In Specs: *Sold as a 10 Pack *Countersink Style 6-32 Thread *Blanks With a Pre-Drilled .020 Pilot Hole *Fits: many 2300, 4150, 4160 & 4500 Holley, Quick Fuel, AED & Demon Carbs *These are shipped in bulk packaging (Bagged not Clam Shell Packaged)