SL-500 Embedded mounted,super shear lock,integrated design without external board,exquisite appearance with high safety coefficient,support 2600lbs shear force,suitable all kinds of doors,magnetic lock was embedded into the middle or above of the door frame,use magnetic force to catch up door leaf,elegant appearance.Inward door,frameless glass door,narrow door all have a complete set of accessories.Special residual magnetic design makes automatic access control safer and more convenient.