THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: ASSA ABLOY YALE 2711689 ASSA ABLOY YALE 3511689 ASSA ABLOY NORTON 32900284 ALLEGION LCN 1450HwPAAL ASSA ABLOY NORTON 210TPH689 STANLEY QDC212F689 STANLEY QDC212F689QS STANLEY 2WHG1 PDQ 45CT76 ASSA ABLOY ARROW 5016NHAL PDQ 5501BCPAHO PDQ 5501BCPAHO689 ASSA ABLOY NORTON 8501H689 DORMA 86116PH DORMA 8616PH STANLEY D3550HS696 STANLEY QDC212F689 STANLEY QDC212F689QS ALLEGION FALCON SC81HwPAFCAL startech.com N6PATCH25YL. SKILCRAFT Door Closers Hold Open 5501 Commercial Heavy Duty 12 L x 2 W x 2 H BRAND NAME: SKILCRAFT. SKILCRAFT Institutional and Commercial Grade 1 door closers feature full rack and pinion construction. Adjustable spring size 1 to 6, tripack mounting type for regular, parallel, and top jamb arm types, nonhanded, multiple operation functions to choose from. Provides 180degree door opening. Durable powder coat aluminum finish. Direct fit replacement for many recognized name brand closers. Includes closer and mounting hardware for both steel and wood doors. 25year limited warranty. SDS SHEETS: Yes. ENVIRONMENTAL SUSTAINABILITY (GREEN) INFO: PreConsumer Recycled Content: 0