Heavy Duty Floor Spring can take the weight up to 175 to 180 kgs. Everite Agencies Pvt. Ltd. Manufactures Heavy Duty Floor Spring. Everite Agencies Pvt. Ltd. Also offers Door Closer and Aluminium Anodized Builder`s Hardware on all basis. Heavy Duty Floor Spring comes with the stopper at 90 degree. It has a glass thickness of 9mm to 12mm. It is available with both sides operation. This Floor Spring can carry extra heavy door. It can be designed accordingly as per customer satisfaction. It comes under of F-37 Model.