THIS ABILITYONE ITEM IS EQUIVALENT TO THE FOLLOWING MODELS: ASSA ABLOY YALE 2701689 Yale 3501689 Stanley 41761222 ALLEGION LCN 1450RwPAAL ASSA ABLOY NORTON 210TPN689 DORMAKABA STANLEY COMMERCIAL QDC211F689 DORMAKABA STANLEY COMMERCIAL QDC211F689QS DORMAKABA STANLEY COMMERCIAL 2WHF8 ASSA ABLOY ARROW 5016NAL PDQ 5501BCPA PDQ 5501BCPA689 BATTALION 5TUP4 NORTON 8501xSN DORMAKABA DORMA 8616AF86FC689 DORMA 8616AF86P STANLEY D4550689 SARGENT Sargent350 DORMAKABA STANLEY COMMERCIAL QDC211F689 DORMAKABA STANLEY COMMERCIAL QDC211F689QS SARGENT Sargent350 ALLEGION FALCON SC81RwPAFCAL. SKILCRAFT Door Closers NonHold 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