Fine Pole Permanent Magnetic Chuck 6×12 inch For Grinding ...
BestEquip Magnetic Chuck 6 X 18 Inch Fine Pole Permanent Magnetic Chuck Powerful Rectangular Chuck for Grinding Machine (6 X 18 Inch) out of 5 stars 15. ... Put the workpiece on the suction table, and then insert the wrench into the shaft hole to turn clockwise180°, the workpiece can be sucked for processing.