To give better Precision & Stability in positioning and clamping . *THIS MODEL CAN HAVE MOST OF ITS MOVING PARTS OUTSOURCED *AS THEY ARE AVAILABLE VARIOUS SIZES OF METAL FASTENERS,BOLTS & MAGNETS THAT CAN BE GROUPED WITH THIS MODEL ON THE TELEPORT CATALOG!* for Woodworks,Welding and Mounting Bread Clamp: designed for Chain Mounted Suspending 🕸️ from the Floor,