Hwh Concr Scr 1/4x 1 3/4

State of the art thread design: Cuts into concrete for secure attachment Tapper screws design: For fastening applications in concrete, block and brick Versatile applications: Use for attaching electrical equipment, two by fours, downspout straps, hose reels, flag poles, hurricane shutters and more Ideal for indoor and outdoor use: Perfect for light to medium duty applications Product dimensions: 3 x 5 x 3.4 inches, 1.6 pounds