1、Single‑opening door lock, in the double‑opening door, only one lock is installed on the first‑opening door, pushing the push rod lock to open both doors at the same time. 2、Can be used in conjunction with other security equipment. It can be connected with double doors, access control, alarm controllers, smoke detectors, magnetic locks, voice alarms, etc. 3、It is used for emergency evacuation access doors without being locked or opened. It can prevent theft and enter and exit freely. It provides security protection 24 hours a day. 4、High quality stainless steel material , beautiful appearance and durable structure (greatly reduced maintenance). 5、Easy to use. It only needs to use the hands or any parts of body to open the door by pushing the lever. Mainly used for public places, such as shopping malls, workshop and warehouses, etc. Condition: 100% Brand New Item Type: Push Rod Lock Material: Stainless Steel Color: As shown in the picture Weight: Approx.4475g/157.9oz 1 x Upper Sealing Seat 1 x Upper Lock Box 1 x Upper Steel Pipe (long) 1 x Tube Code 1 x Outer Sealing Plate 1 x Lower Steel Pipe(short) 1 x Lower Lock Box 1 x Lower Sealing Plate 1 x Sticker 1 x [Lock Head Cover + Lock Body + Push Rod] 1 x Tail Cover 1 x Tail Cover Seat 20 x Screws