Tech specs:

The Turn Tilt Window handles are deliverd with a doorpin 7 x 7 mm, If other needed, please contact us. If not installed by a professional, you can ask us for installation - instructions. The Aged Brass Waxed version has a light patina: a golden undertone. When using is, the patina will gets a deeper finish. The more you touch it, the lighter the handle becomes. If you prefer all your handles to keep the same patina or to stay dark, then we advise you to take the varnished version.