Positive catch keeps cabinet doors closed. Just pull on knob to open. Four bolts included to work with most thicknesses. Includes 5/8″, 7/8″, 1″& 1 3/8″. 8/32″ threads to accept standard cabinet knob. (Knob not included.). Reversible strike works with flush or inset doors. Zinc; 2pk. Concealed positive catch with 4 bolt lengths to fit almost any door thickness. Fasteners included. 2pk.