This is a light power selectable door closer with a cast aluminium body and has a closer strength of 2-4. It has an adjustable latching and closing speed and can be installed on either left or right handed doors. Max Door Width (mm): 1100 Closing force EN1154: 2,3 & 4 Silver Finish What's in the box 1 x Yale Door Closer 1 x Pack Fixing Screws 1 x Instructions