Holds 4 splice trays. Can be mounted with the use of adhesive strips or mounting screws included in the kit. Splice trays held in place with Panduit ™ Tak-Ty® Cable Ties. This stacking unit can secure up to 4 splice trays. Dimensions: 1.75"H x 4.56"W x 8.06"L (45mm x 116mm x 205mm)