NJ-390 heavy-duty electric strike‌ engineered for US Market mechanical locks with square deadbolts.the strike is compatible with metal, timber, and PVC door assemblies. It features dual-mode operation: routine electric actuation and emergency manual override.The strike boasts a heavy-duty, robust construction for consistent, reliable performance, with reversible fail-safe or fail-secure functionality. It supports field-adjustable left-hand or right-hand opening configurations, is fitted with a stainless steel bolt and 304 stainless steel faceplate, and delivers a maximum static holding force of 1000lbs.