40 -MODERN SURFACE BOLT MODERN SURFACE BOIL FOR USE ON ALL DOORS INCLUDING DOUBLE DOORS AND CABINET . DOORS. FEATURES: CONCEALED SCREWS, TW() STRIKES, AND MODERN DESIGN. PROVIDES ADDED SECURITY WITH DECORATIVE ACCENT. INSTALLATION INSTRUCTIONS TOOLS REQUIRED: Drill, e+ drill bit for pilot boles, chisel, Philips screwdriver, and pencil, 1. Place bolt in desired horizontal of vertical position fish with edge of door. Tide bolt to left, exposing right screw hole, drill and secure. 2.