For a backyard zip-line, your post must handle extreme that can exceed 1,000 lbs depending on the cable tension.
: Drill a hole in the bottom of your post to accommodate the lag screw and a second hole in the side for the gear drive. baseado.zip
: Use heavy-duty lumber. If standard large posts are unavailable, you can laminate multiple 2x10 or 2x12 boards together with glue and nails. For a backyard zip-line, your post must handle