A range of Pot Magnets for workholding and workhandling where positive grip is required, but not attraction from a distance. Each Holdfast is equipped with a screw down handle because of the exceptionally strong grip of this range of magnets. Magnetic Holdfasts can be used singly or together to make welding and other assembly jigs. Magnet material used is Alnico 5, working temperature is up to 250 degrees C. North polarity in center of holding face and each magnet has a coated keeper. Outer surface except pole can be red (smooth or wrinkle) painted, or coated with Zinc, Nickel or Chrome.