HARDWOOD LUMBER SIZES: From 4/4 through 16/4. SPECIES: Ash, Poplar, Red Oak, Hard Maple, Cherry, and White Oak. PALLETS SIZES:30×30 through 72×60 SERVICE OPTIONS:Notching, Chamfering, Custom Design, and Heat Treating. Our Heat Treating is Third Party Certified by Timber Products Inspection.Service, integrity, and quality are what we provide with every load. MULCH Composted to add rich natural color. Reground and Aerated to add heat and color.