
Commercial Grade - High quality 304 stainless steel, compact, durable and not easy to rust Size - Suitable door thickness: 20-36 mm / 0.8 inch - 1.41 inch, maximum weight of 1 piece door:15 kg / 33 lb Adjustable spring power - Provides the satisfactory closing speed for a variety of material swing doors. Wide range - It can be used for salon cafe doors, bar counter doors and shop swing doors Comes with screw and adjustment rod