Okwamanje sigcina 1 3/4,” 2,” 2 1/4,” kanye 2 5/8″ ID torsion springs namakhoni eminyango yokuhlala.Kuzo zonke ezinye izinhlobo zeziphethu iya kweyethuI-Garage Door Springsikhasi.
Amakhoyili ensimbi anamathela isikhathi eside angagqwali ukuze asize ukugqwala kancane ngesikhathi sempilo yasentwasahlobo.