0KellyC17 2 years ago ReplyUpvoteOn our jobs saw horses are cut out of 2x4 precut spruce studs. 96" / 3=32", so 4 studs make 2 saw horses with no waste and the right height. Sometimes they're a little off or split. No worries, they're pretty tough. There are many different ways to make sawhorses this is just how we do it.