Description

Door Springs Coated with grease during production, which prevents rust and corrosion Enclosed in a tube for lifetime protection Provide for smooth door operation Ratchet Tensioning Device Allows for simplified spring tensioning Tensions all springs at once Requires no pins to hold the tension on the spring Radial Ball Bearings Included radial ball bearings Permanently lubricated Require virtually no maintenance Dead Axle and Torque Tube Assembly Tube housing protects springs and strengthens the axle Eliminates axle push and shift that a live axle would create Allows for springs to be tuned all at the same time

Additional information

Door size

3' x 6'8", 3' x 7', 3' x 7'4", 3' x 8', 3'4" x 6'8", 3'4" x 7', 3'4" x 7'4", 3'4" x 8', 3'6" x 6'8", 3'6" x 7', 3'6" x 7'4", 3'6" x 8', 3'8" x 6'8", 3'8" x 7', 3'8" x 7'4", 3'8" x 8', 4' x 6'8", 4' x 7', 4' x 7'4", 4' x 8', 5' x 6'8", 5' x 7', 5' x 7'4", 5' x 8', 5'6" x 6'8", 5'6" x 7', 5'6" x 8', 6' x 6'8", 6' x 7', 6' x 7'4", 6' x 8', 7' x 6'8", 7' x 7', 7' x 7'4", 7' x 8', 8' x 6'8", 8' x 7', 8' x 7'4", 8' x 8', 8' x 9', 8'4" x 7', 8'8" x 6'8", 8'8" x 7', 8'8" x 7'4", 8'8" x 8', 8'8" x 9', 9' x 6'8", 9' x 7', 9' x 7'4", 9' x 8', 9' x 9', 9' x 10', 10' x 7', 10' x 8', 10' x 9', 10' x 10'

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