... , Available door : toughened glass door, wooden door, aluminum alloy door17, Function: suitable for the left, right ... Installation pictures: 24,Remarkable character. The body is thin and beautiful, used imported spring, can ... Selection of different models of floor springs is mainly based on glass door weight2) Calculation ... 1mm thick common and toughened glass is 2.5kg per square meter. As to 12mm thick, ...