Window Opener Material: aluminum, steel Finish:powder coated Color: silver,white,black, etc Packing: 1pc/polybag 200pcs/ctn Window Operator, window opener, window stay, OPERADORES A A Specifications:1. Material: aluminium, steel2. Finish: powder coated3. Curved arm4. With jump ring, keep fastness5. Color option: white, black, silver;We are one of leading manufacturer specialized in aluminium door ...