The Phewnyzo Garage Door Double-Loop Extension Spring Replacement Kit is designed for 7-foot garage door systems and includes the hardware needed for replacement. The set contains two 1/8-inch steel cables measuring 168 inches each, one 3.8 mm diameter 110-pound tension spring, four 3-inch pulleys for 1/16-inch cable, two connecting shafts, and two screws. The heavy-duty metal components are wear-resistant and durable for frequent, long-term opening and closing. The 110-pound spring supplies stable tension to support daily operation, while the two steel cables add support and stability, helping reduce shaking during movement. The four pulleys help the door travel smoothly along its track and reduce operating noise. The complete accessory set is intended for 7-foot garage doors and includes only the specified spring, cables, pulleys, shafts, and screws. Product weight is 9.3 pounds, with listed product dimensions of 3 x 3 x 3 inches. Package weight is also 9.3 pounds, and package dimensions are 13.94 x 8.58 x 4.96 inches.
Complete kit for 7-foot garage doors includes two 1/8-inch steel cables measuring 168 inches long plus one 110-pound tension spring and hardware
Metal construction throughout provides wear resistance and durability for garage door components designed to support repeated opening and closing
Single 3.8-millimeter diameter 110-pound heavy-duty tension spring supplies stable tension for a 7-foot garage door system
Four 3-inch heavy-duty garage door pulleys support smooth movement along the track while helping reduce noise during door operation
Two steel cables add support and stability to the garage door system while helping reduce component shaking during operation
Four 3-inch metal pulleys are included for the 1/16-inch cable specification with two connecting shafts and two screws completing the garage door hardware set