This wall file pocket can help in clearing drawer and desktop space. Made with steel mesh construction it comes with 4 heavy duty magnets to attach to the 3-pocket unit to metal cube surfaces or on most fabric covered metal panel walls. No need for those unsightly over the panel brackets. Steel point fasteners are included. Features: mesh magnetic single file holder compartment size: 12 1 2 w x 4 d x 7 1 4 h material s : steel mesh material thickness: mesh plate is .7 To .75Mm thick rolled edge is 4.5 To 5.0 Mm in diameter fits folder size s : letter compartment capacity: 1.5 Lbs. Per tray color: black assembly required specifications: product dimensions: 12 1 2 w x 4 d x 7 1 4 h