Model Number: CH-TS06 Brand Name: CHI Key Specifications/Special Features: Torsion spring for garage door hardwareSurface: black or galvanized, powder coatedSectional door hardware for 16*7, 16*8, 9*7, 9*8 garage door, we could provide you hardware box according to your sizeWe have many other components in our showroom for you to choose fromWe have been in this field for more than 8 years, we can guarantee products, best service and hope we can have long-term co-operationContact with us if you have any question Description: Torsion spring for garage door Art number: CH-TS02 Material: Steel