KLM Series Ladder Tray is a heavy-duty product designed for Marine / Ship Building applications. The cable support rungs are notched with slots for 5/8" wide cable clamps & straps. These rungs are welded to 5mm thick side rails for maximum support. Cable support rungs are spaced on center every 10". Ladder sections can be bolted together with the KLMV 40 splice plate for easy assembly.