I le avea ai o Springs Manufacturer and Supplier, matou te ofoina Roll Up Door Torsion Springs i le 1.75 ", 2", 2 5/8", 3 3/4", 5 1/4 "ma le 6" totonu o le lautele i le tele o uaea tetele mai le 0.162" , 0.177″, 0.182″, 0.192″, 0.207″, 0.218″, 0.225″, 0.234″, 0.243″, 0.250″, 0.218″. 0.295″ ,0.393″, 0.406″ i le 0.437″ .O Puna uma o lo'o fa'alumaina ile falegaosimea e fa'aitiitia ai fe'ese'esea'iga a'o fa'atuputeleina le ola ole ta'amilosaga o le tautotogo.O masina taʻitasi matou te faʻatau atu toetoe lava 8000 paipa Roll Up Garage Door Springs i Amerika, Kanata, Peretania ma Ausetalia.