Top Quality Argentian Import Gruppo Romi features this Privacy Pocket Door Lock Set which includes: 1 Active Lock, 1 Plate with Drop Key, 1 Plate with Emergency Button & 1 Strike. The emergency release turn piece can be opened from the outside using a screw driver or coin. The Door Lock can be used in a range from 2-3/16 Inch to 1-1/4 Inch door thickness. Gruppo Romi Pocket Door Lock the smallest and thinnest case in the market for an easy installation. Front: made 100 PERCENT brass, no screw is used to attach the front of the case. Pull: 100 PERCENT Forged Brass. Please call us at 888-566-2748 with any questions.