SIZE: 4-1/4" L x 1/2" D QUANTITY: 50 units each box. ZINC PLATING: Provide corrosion resistance and enhance the appearance of the anchor. APPLICATION: They provide stability, resist uplift forces, and ensure the structural integrity of the building or structure. EASY TO INSTALL: Drilling a hole into the concrete or masonry, inserting the anchor bolt, and securing it in place using various methods such as expansion, wedging.