Selling a lot of 200 premium Red Head Hammer-Set nail drive masonry anchors. Brand new, clean surplus inventory leftover from a commercial installation. Includes two full boxes of 100 count each. Box 1 (Part #17492): 1/2" Length (100 Count)Box 2 (Part #19808): 3/4" Length (100 Count)Anchor Diameter: 1/4" (Requires a standard 1/4" masonry drill bit)Head Style: