Hi, I'm wanting to make a chin up bar in my garden like this http://ift.tt/2tRn3ki and this http://ift.tt/2vg4xWf've found the materials, but just want to check if they're going to be strong enough for this purpose.http://ift.tt/2tRN2YV will also be cementing the posts into the ground, instead of using iron pins. via /r/DIY http://ift.tt/2vfUJvG
