E pei o le Garage Door Torsion Springs gaosi oloa, matou te tuʻuina atu Torsion Springs i le 1.75 "ma le 2" diameters i le tele o uaea tetele mai le 0.207, 0.218, 0.225, 0.234, 0.243, 0.250, 0.262 i le 0.272.O matou Punavai uma o Torsion o lo'o gaosia mai le uaea puna maualuga, fa'afefe suau'u, fa'afetaui ASTM A229.
tulaga masani:
(1) 0.225 in. tele uaea x 2 in. ID x 27 in. L ma lanu mumu
(2) High-tensile ma Suau'u-tempered Spring Uaea
(3) Fa'atatau mo le 10,000 i le 15,000 Ta'amilosaga