Low-Profile CNC Vise Clamp Kit, Set of 2, Heavy-Duty Stainless-Steel Jaws with 10° Angle for T-Track, Workbench, Router, and Jig Support, Includes Screws and Hexdriver - Amazon.com
Low profile milling table workpiece clamps
Low profile & heavy duty Side Clamps | IMAO
How To Make Milling Machine Table Low Profile Clamps P1 - YouTube