... points D004, 2 points lock, 3 points lock for casement windows and doors, multi points locking system:1. application: for aluminium ... : nickel or chrome electroplating, painting...6. color: nickel, chrome, silver...7. testing: could pass 30000 times opening and closing test8. life ... points D004, 2 points lock, 3 points lock for casement windows and doors, multi points locking system