Friction plate for Standard Suction Cups 66 x 68 mm (for Cup 1). For use with vacuum pods and vacuum clamping systems. Innospann accessories. Manufacturer: Schmalz. Friction plate for Standard Suction Cups 66 x 68 mm (for Cup 1). For use with vacuum pods and vacuum clamping systems. Innospann accessories. Manufacturer: Schmalz.