"HILLMAN" ZAMAC NAILIN ANCHOR *Size: 1/4" x 2" *Drill size: 1/4" *Minimum embedment: 3/4" *Holds up to 325 lbs *Nail-like expander pin provides a permanent, tamper- proof installation *Installed with variable speed drill and hammer *Furnished completely assembled *Zinc *Building code approved *Card/2 *Discovery NBR, SUP