Upgrade your existing surface mount door closer with the versatile Commercial Grade Hold Open Arm w/ PAB. This arm is designed to accommodate all levels of traffic with its adjustable locking screw, allowing you to easily set the hold open point. Compatible with various brands and closer series including Sentinel (5000, 9016, 4016), Falcon (SC60-SC70-SC80-SC90), and Norton (1600, 8301-8501, 7500), making it a simple and cost-effective solution.