Guy's Magnets Pole Sensor Foil Card

Length - 55 mm (2.16") +/-1mm manufacturers tolerance Width - 50 mm (2") +/-1mm manufacturers tolerance Length of viewing window - 35 mm (1.37") +/-1mm manufacturers tolerance Width of viewing window - 35 mm (1.37") +/-1mm manufacturers tolerance Maximum Thickness - 1 mm (2.08") +/-0.15mm manufacturers tolerance Weight - 1.8g each Protective Coating - Cardboard to rear to protect the film from getting scratched Maximum Temp - 50°C / 122°F Made by Guy's Magnets in Devizes, UK