Floor springs assist the smooth opening and closing of heavy doors. They also prevent getting the floor scratched. Since, they have a very rough use it is important to get good quality floor spring. Dorset is a leading brand amongst the floor spring suppliers. The brand manufactures high quality floor spring that has adjustable closing and opening force, adjustable closing speed with adjustable closing latch action. The floor springs are available for 90, 100, 120 and 150 KG doors. The floor springs are built with grey Cast Iron mechanism body and have high quality oil in them. Also, these floor springs are strong, durable and merges with the floor giving pleasant appearance.