LCN 4040XP Hydraulic Door Closer Regular Arm with Parallel Arm Bracket Non Handed Adjustable Size 1 6 Metal Covering Through Bolt Self Reaming & Tapping Screws Fire Rated Grade 1 AbritesSummerSWSale Lock Function MA531 Apartment Corridor Lock Function MA531 Apartment Corridor Lock Handing No Handing Built in WiFi on the W915 gives you the ability to lock and unlock from anywhere 4040XP 62PA required for parallel arm mounting Templating Peel n Stick templates 2 1⁄4" x 5" mounting hole pattern Handing RH LH Non handed field reversible Fasteners Self reaming and tapping screws (SRT) Size Adjustable Spring Size The LCN® 4040XP is our most durable and flexible heavy duty surface mounted closer