The 209 from PANAVISE is a Vacuum Base PV Jr. that is ideal for light-duty field repairs, electronics, hobbies and more. It can also be attached securely to any smooth, flat,non-porous surface. The easy-to-use single knob controls head movement through 3-planes.The 209 features fine/coarse adjustment knob that controls jaw pressure for delicate work. The grooved jaws are excellent for holding small objects and are made of reinforced thermal composite plastic.In 209 the lever locks vacuum pad into place on any smooth, flat, non- a porous surface which lifts tab to release vise from the surface. The arm movement is 140°; positive indents control movement to prevent â€œfloppingâ in which the control knob locks the arm firmly into place.