The clamps feature heavy-duty welded steel construction for years of use, spring steel tension to prevent the grooming arm from falling while being adjusted, and a silicon pad on top to help keep the clamp from marring the table top.
Another feature is the use of locking nuts to keep the clamp in place once it has been adjusted.
This clamps opens to a mximum of 1 7/8" and is designed to be used with a 1" width, square grooming arm.