The Stud Grabber (TM) Instant Storage Clip involves no hardware; simply pull prongs apart, and clip on to any exposed stud or support beam. The Stud Grabber (TM) can clip on to vertical, horizontal or angled beams, and can support up to 25lbs. The Stud Grabber (TM) can be used to hang extra tools and supplies in the garage, shed, attic, closet, construction sites, cottage, etc. The Stud Grabber (TM) grips better when more weight is added. Approximately 5" long by 2.5" wide.