Security Door Controls SDC 1571 EMLock Magnetic Lock, Surface Mount, Single, 1200lbs JMAC# SDC-1571 SDCs patented EMLock design represents the pinnacle of magnetic lock evolution. The modular EMLock assembly makes them easy to stock, install, upgrade and maintain.SDC 1571 series Single EMLocks include a lifetime warranty and has a 1200 lb holding force... MSRP: Was: Now: $327.00 In Stock Expedited Shipping Available Need it Tomorrow? Need it Tomorrow? Select the NEED IT FAST shipping option at checkout and a member of our team will contact you promptly with any available Expedited Shipping options once we receive your order. Add to Cart