TorqueMaster Plus (visible hexagonal end) for Dual Spring 7'6" high door 16' to 18' wide door 161 to 170 pounds
$143.99
L Wind, 0.129" wire size, 42.11" long, hexagonal winding end (Yellow) and R Wind, 0.164" wire size, 63.67" long, hexagonal winding end (Gray)