***Sold Individually Raven Concealment Overhook Strut IWB offers a tough snap over to guarantee a snug fit with an easy release. There are ridges on the back of the strut that prevent mounting hardware from damaging holsters and firearms. Each of the pre-drilled holes are 15mm apart center-to-center. With the center hole being a slot, the strut can be rotated up to 10 degrees in either direction.