1.High-strength die-casting alloy,safe and durable; 2.Decoration shell made of stainless steel,copper,and aluminium plate; 3.Special antioxidant shim; 4.Suitable for toughened glass door with thickness of 10 to 12 centimeter(or manufacturing according to the thickness of the glass); 5.Surface disposal color;mirror polishing,sand polishing,titanium plating or other kinds on clients requirements. RECTANGLE Patch Fitting 1.Interior part is made of high-quality aluminium alloy,while decoration shell is made of imported stainless steel,with thickness of only 65 millimeter; 2.Surface disposal color:mirror polishing,sand polishing,titanium plating or other kinds on clients requirements. Lower clamping head of various specifications are available and can be used in conjunction with springs from DORMA,GEZE,NEWSTAR,BONGO,CROWN and etc.