SpeedMag is a true marvel, with the strength to hold large graphics and vinyls in place, even on windy days. These powerful magnets Made in Germany feature a special, food-grade rubber coating that protects a vehicle's paint or printed graphics during installation. In combination with GeckoPatch adhesive pads, SpeedMag HD is also usable on glass surfaces and aluminum car bodies Additional details: Tractive force 10 kg Shear force 3 kg Holding force 100 Newton Weight including handle: 42 g Dimensions of the magnetic plate: 43 x 6 mm Maximum operating temperature: 140 °F