1-5/8" x 1-5/8" crossclamp(159003). DISCONTINUED
Top rail cross clamp 1.66" to 1.66' 4 -bolt (PTS 1574).
Solid shaft for inside bottom of post or partition (PTS8086)
One-way clamp for attaching 1 -5/8" OD tubing to 4" OD barn post.