150LB Gar DR Ext Spring

150 lb., Silver Tip, Sectional Garage Door Extension Spring with Safety Cable. This heavy-duty (10,000 cycles) extension springs have double loop ends for extra durability. 5 sizes will replace most all spring configurations on residential doors that are no higher than 7 ft. tall. 1/8 in. galvanized carbon steel aircraft cable; installed through springs to prevent injury in case of breaking.