Used to install Adams Rite 7130 strike. The 7130 strike is used opposite an Adams Rite latch when replacint a MS SERIES lock. The larger 6 7/8" face of the 7130 will cover the strike opening left by the MS SERIES deadbolt. Requires a router with a 3/8" outside diameter guide and a 1/4" diameter router bit. (Part # for our router bit is HIT-45RB4).