Seco-Larm SD-995C 12VDC Electric Door Strike for Metal Doors

Seco-Larm SD-995C Fail-Secure or Fail-Safe Electric Door Strike for Metal Doors, Static Strength 1000 lbs. (454kg), Can Be Used with Virtually Any Cylindrical Door Locking System

Seco-Larm SD-995C-D3Q Door Strike, No Cut

Seco-Larm SD-991A-D1Q Mini No-Cut Electric Door Strike For Indoor Use​, Converts Cylindrical Lock Sets Into an Electronic Access-controlled Locking System, Stainless Steel Keeper