... l2.oading weight:35-65kgs 3three speed adjustment Hidden Extra slim Square shape door closer A083three speed adjustment function MODELDESCRIPTIONPCS/CTNG ... Materials6.Body length:231mm7.WIDTH:28MM only,can used for slim door with thickness of 28mm8.packing:1pcs/small box,10pcs ... ,hotel,washroom,Resturant, and many places. door closer hidden extra slim square A083