Features 1、Using commercial grade aluminum alloy material, which is durable and wear‑resistant. 2、Hydraulic operation, automatic closing, 2‑speed adjustable, effectively protect your door and lock. 3、Suitable for doors weighing between 60‑85kg, the door width is 50‑130cm, and the door opening range is up to 180°. 4、Double valve closing and locking speed control, complete rack and pinion can achieve better control. 5、Suitable for most types of wood and metal doors, inner/outer door closers, fire doors, framed glass doors, etc. 6、Reinforced adjustable pipe arm, easy to install, suitable for home, office, residential and commercial areas. Specifications Item Type: Door Closer Material: Aluminum Alloy Color: Silver Weight: Approx. 1546g / 54.5oz Door Closer: Approx. 6.9x20.1cm / 2.7x7.9in Parallel Arms: Approx. 25.1cm / 9.9in, 26.9cm / 10.6in Package List 1 x Door Closer 2 x Parallel Arm 7 x Screw 1 x Cap