8916 SDST Door Closer with Heavy Duty Parallel Springstop Arm with Thumb Turn Hold Open Hager 4700 Series Rim Exit Devices Its hydraulic control system features

Its hydraulic control system features a full range spring power adjustment and backcheck

armature and  WMS screw pack

170D: D – Dark Bronze Anodized Aluminum

2-1/4“ projection with the cover installed

P-BLK Black Plastic

8916 SDST Door Closer with Heavy Duty Parallel Springstop Arm with Thumb Turn Hold Open Hager 4700 Series Rim Exit Devices Its hydraulic control system featuresDorma 8916 SDST Complete Surface Closer Door, Spring Stop Door Saver Arm with Hold Open, Full Cover The 8900 door closer series designed to provide a highly flexible door control system suitable for institutional or high traffic commercial applications. Its hydraulic control system features a full range spring power adjustment and backcheck, along with a narrow projection full cover and flatform style arm. Versatile, durable, and reliable, featuring