XL Pocket-Hole Screws are optimized for use with the Kreg Pocket-Hole Jig XL, the Kreg Jig HD and 1-1/2" and larger stock. These large 2-1/2" #14 hardened-steel screws provide incredible shear-resistance, and have a Protec-Kote finish with three anti-corrosion layers for long-term moisture resistance. For use with a Kreg Jig HD Driver Bit, or #3 square driver. Warning: This product can expose you to chemicals including Formaldehyde, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov. -