Kreg Jig® HD Screws are optimized for use with the Kreg Jig® HD and 11/2" and larger stock. These large 21/2"-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. Available in one size, head style, and thread, in quantities of 30 and 125.