garage doors
american garage door ch401dd garage door openerwall mount g5605862
garage door opener manual chain hoist max . door height ft. 18 standards 1 in . bore includes wall mounting 4 1 reduction sprocket 3 ft. of 41 roller chain 26 ft. of hand chain 1 chain keeper and 1 4 in . key br b features b ul li includes wall mounting 4 1 reduction sprocket 3 ft. of 41 roller chain 26 ft. of hand chain 1 chain keeper and 1 4 key li li item garage door opener li li type manual chain hoist li li max . door height ft. 18 li li standards 1 bore li ul