1.Fastening plates and articulated arm made of galvanised steel. 2.Maximum sturdiness and durability. 3.For gates up to 2.5m and 300kg per gate leaf. 4.Single type for left and right gate leaf. 5.For the professional sector. 6.For residential use. 7.Grease lubrication. 8.Easy installation. 9.Modern and attractive design that fits well with any type of gate. 10.Easy manual release