Accessories included - 2 red keyhole marking tools, 1 mini bubble level, 10 low-tack adhesive strips, 1 Center Hole Punch, and 1 Phillips screwdriver.,Easy Picture Frame Hanging - Quick positioning marks your nail holes easy marked on the wall where the nails need to be placed,Wide Application - hole slots are available for most of hole lock slot styles and materials, perfect to hang pictures, frames, mirrors, clocks,etc.,Reusable : anti-drying ink for repeated use. Picture Hanging marking tool set suit for objects and picture frames with two keyholes on the back.