Materials: One full sheet steel saw horses sale - http://loveforever.com.pk/user/profile/168039 saw horse - http://monasri.gov.kh/?option=com_k2&view=itemlist&task=user&id=1281962 horse (4' by 8') of 3/4" treated plywood. That you simply it is treated so it will keep working for a long effort. Untreated plywood doesn't hold up well in outdoors.<br> <br> <br> <br> <br> <br> <br> <br>