Kreg Jig HD Screws are optimized for use with the Kreg Jig HD and 38 mm and larger stock. These large 64mm-long #14 hardened-steel screws provide incredible shear-resistance, and have a Protec-Kote finish with three anti-corrosion layers for long-term moisture resistance. #3 square driver.Length: 64mmThread: CoarseHead: Maxi-LocOptions: 30 pcs, 125 pcsPackage includes:• SML-C2X250 Kreg Protec-kote Maxi-Loc HD Pocket-Hole Screws 64 mm, coarse thread