SDC 1091AIV Aluminum Finish Mortise Electric Bolt Lock, Failsecure, 2-3/4" x 1-1/4" Face Plate, 5" Depth (Pack of 1) $45.70 B00EZSW7UE
SDC 1581 Series EMLock Single Aluminum Electromagnetic Lock with Door Position Sensor and Surface Mount, 12/24 VDC, 650 lbs Holding Force, 8-3/4" Length x 2-1/8" Height x 1-1/4" Depth (Pack of 1) $405.00 B00EZSWKBK