Safco Products 3612BL Onyx Mesh Marker Organizer Basket, Black Four stand up marker holders that fit most standard whiteboard dry erase markers Basket holds eraser, steel mesh construction with durable powder coat finish Magnetic back allows for use on magnetic marker boards, also includes wall mounting hardware Finished product dimensions 8 W x 3.25 D x 3 H inch Use with magnetic marker boards rumba Models 2014Wbs, 2015Wbs, 2016Wbs and 2017Wbs or impromptu Models 8511Bl and 8511Gr (sold separately)