size:8-20 inch avaliable material:stainless steel and iron can be make that thickness:2.0/2.5 and 3.0mm

Features: 1) Casement four-bar hinge or five-bar hinge 2) Different styles available:a) Round groove and square groove b) 18mm base (bottom groove) and 22mm base c) Friction arm thickness: 2.0mm, 2.5mm, 3.0mm 3) Mainly used for outward-opening casement windows 4) Material: stainless steel Packing: Carton

Window Hinge