Features HLS Ladder Tray is a modular system that is easily configured for all unique installations Ladder tray sections universally work with all ladder tray accessories HLS Ladder feature rung spacing every 9" to support and relieve cable stress Specifications Country of Origin: United States Width: 6.000 in Each - Width: 6.000 in NEMA Standard: Heavy Duty Type: Ceiling Mount Kits Nema Rating: Heavy Duty Class Code: A64 Description - Invoice: CABLEMGT, LAD-RCK,CEILING MT KT,BKT ONLY Freight Class Code: 06168002 Harmonization Code: 7326908688 Image Actual Or Representative: A MSDS Flag: No Sub Class Code: A64A651 Material: 5.9 in Base Unit of Measure: EA BOX SIZE: 5.200x12.900x13.200 (in) Carton - SCC-14 Next Lower Level Sub Pack: 00662620841281 Case Weight: 32.250 lb. Certifications EU RoHS Indicator: Contact Manufacturer Downloads Spec SheetCatalog Full Asset ReferenceCatalog Page Asset ReferenceNEXTFRAME Ladder Rack Downloads & Links Catalog Full Asset Reference Spec Sheet NEXTFRAME Ladder Rack Catalog Page Asset Reference