Stauff SPAL 6042.4 AL DPAL AS M W12 Manual workplace systems (MPS) 9mm Polypropylene W10 Weld Plate blank filter Element 9mm Polypropylene W10 Weld Plate Cover Plate Eurol Hykrol FG ISO VG 46 biedt zeer goede weerstand tegen oxidatie 4mm Aluminium W12 Cover Plate Hex Head Bolt Weld Plate