TargetTacks Standard Orange 3-Inch Retail Pack, made in USA includes four 3-Inch TargetTack perfect for use with various archery trajectories, across commonly used foam blocks and hay bale substrates. Four 3-inch TargetTacks are required to properly secure and hold in place, commonly used paper-based targets, for supported substrates. If you are using larger sized targets, over 16 inches tall and wide, you may require additional TargetTacks