This from AMP: Anne, Hello. AMP sold the Piezo Film Sensors division in Vally Forge about a year ago. They are now under a company called Measurement Specialties, Inc. Their phone number is 610-650-1500 and their web address is: http://www.msiusa.com/sensors.htm Thank you for your inquiry, AMP Product Information Center US product.info@amp.com 800-522-6752 x2 D -- Anniepoo Need loco motors? http://www.idiom.com/~anniepoo/depot/motors.html