Softtouch Pet Dog Grooming Arm Stainless Steel, Foldable, Telescopic
Telescopic, Extend up to 51"Retractable, Can lower the arm all the way down to table top. Foldable- Fold down for easy storage.Stainless Steel: Strong and will not rust. Table clamp jaw can open up almost to 3".  Even the table edge is 2" thick, such as two by four planks picnic bench in the park, this jaw will be able to hold tight.