Quick view Choose Options DynaLock 2013 Electromagnetic Gate Lock, 1200lb. Holding Force, Satin Aluminum - DynaLock MSRP: Was: $577.00 Now: $418.99 - $593.26 The 2013 series is a full size 1200 lbs. holding force electromagnet. It is designed for high security on sliding and swinging gates, or any… California Prop 65 Warning WARNING: This product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.