12&24 cores Fiber Splicing Holder can be used in JK's Aluminium Alloy Splice Tray. Here is the Specification for this splice tray: *Overall Size: 4x7inch, 4x11.75inch, 5x11.75inch available. *Transparent Plastic Cover *Aluminium boday *Two PCS Splicing Holder *Transparent Plastic Bar with Adhesive tape