Bi Garage Door Torsion Springs olupese, a pese Torsion Springs ni 1.75 "ati 2" diameters ni ọpọ waya titobi orisirisi lati 0.207, 0.218, 0.225, 0.234, 0.243, 0.250, 0.262 to 0.272.Gbogbo wa Torsion Springs ti wa ni ti ṣelọpọ lati ga-tensile, epo-tempered okun waya, ipade ASTM A229.
Awọn Ẹya Didara:
(1) 0.225 in. Iwọn waya x 2 in. ID x 27 in. L pẹlu ifaminsi awọ pupa
(2) Giga-fifẹ ati Epo-tempered Orisun omi Waya
(3) Ti won won fun 10,000 to 15,000 Yiyi