36", Hang It Perfect, Do It Yourself Tool That Allows You To Perfectly Align, Position, Level, & Hang Wall Decorations In Approximately 60 Seconds, Using Just 3 Easy Steps, Lightweight & Durable, Arms Contain Pins Which Guide User To Accurately Mark Wall In Desired Position & Horizontal Measurements Printed On Crossbar Which Enable Equal Spacing Between Multiple Hangings, Measures Exactly Where Pictures, Racks, Shelves, Mirrors, & Similar Wall Decorations Will Be Hung, Hang A Single Picture Level, Or Create Groupings With Exact & Consistent Spacing, Easy To Follow Instructions Printed Directly On The Tool & Bright Yellow Vial Level Built In For Assured Accuracy,