The Double is a dual expansion machine b olt anchor particularly suited ofr base materials of questionable strength. It can be used in solid concrete and some block, brick and stone base materials.
        
                    Unit of Measure
                    
               
        
            
                                                                                Units Per Package | 
                                                                        N/A 25 | 
                                                                                Size | 
                                                                        N/A 5/8" | 
                                                                                Anchor Length | 
                                                                        N/A 2-3/4" | 
                                                                                Drill Diameter | 
                                                                        N/A 1" | 
                                                                                Min. Hole Depth | 
                                                                        N/A 2-1/2" |