A double hook for holding your coat and hat (or scarf, purse, lunch bag, sweater, hoodie, keys, etc.) that should be compatible with Herman Miller cubicle components in your office. The four hooks on the back get inserted into the vertical supports between cubicle panels. The rail hooks are 1/8" wide, 1/2" tall, 1" spacing center-to-center, and have a 1/8" tapered notch. The coat hooks are 1/4" wide.