Size: 4'Fits 4/0 x 7/0 Door Dual Point Latching with Top Latch and Bottom Hex BoltUse with Narrow, Medium and Wide Stile Aluminum DoorsDurable, ANSI 156.3 Grade 1 Tested to Over 500,000 Cycles Easy Concealed Push-Button Dogging Standard. Cylinder Dogging, and Front Hex Key Dogging Available Remarkably Quiet, Smooth, Reliable OperationCRL Jackson Model 2085 Concealed Vertical Rod Panic Exit Devices are UL Listed - Certified ANSI 156.3 Grade 1, and manufactured in the Jackson tradition of high quality and durability. Suitable for use with narrow, medium and wide stile aluminum doors, these devices are handed - not reversible, and feature dual point latching with a top latch and bottom hex bolt, concealed easy-to-use push button dogging, "Soft Touch" smooth quiet action push pad, and quick and easy installation. They are available in dark bronze and satin aluminum anodized finishes. Standard devices come in two lengths for 36" and 48" (914 and 1219 mm) wide doors, and can be cut down to custom fit an opening (consult CRL Jackson Technical Sales). For doors over 84" (2134 mm) order top rod extender: 12" (305 mm) 301347 or 24" (610 mm) 301348. Devices may be ordered with optional cylinder dogging, which uses a 1-1/8" (29 mm) mortise cylinder such as DC7185SCKASC, ordered separately. Keyed entry may be provided by ordering and installing a standard 1" (25.4 mm) mortise cylinder such as DL2170SCKDA with AR MS type cam, along with a cylinder mounting pad such as 30821J628. Keyed access is also available with Jackson Model 8500LV outside lever trim such as 8500LV02628.