The internal threads and locking mechanism are high grade steel to prevent untimely "stripping" and looseness and the adjustment wrench is included.
No assembly required, this rack is ready to use right out of the box.
Great at home or on the go, this rack folds flat (2¾") when not in use.
Standard footprint when in use 28" wide, 13½" deep, and 29" high.
Weighs 12 lbs.