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BB100 Bottom Bracket The BB100 Bottom Bracket holds the final roller and your extension or torsion cable
Heavy Duty Zinc Plated 13 Gauge Galvanized Steel
Designed for use with two-car
It features a right handed design and accepts a standard 7/16 in
Pack includes 2 w-hooks
Garage Door Torsion Spring (234 x 1.75 x 29) | 1" ID Steel Bearing | Left Hand Wound Replacement (Right Side) (Cone Color: Black) BB100 Bottom Bracket The BB100Garage Door Torsion Spring (234 x 1. 75 x 29) 1" ID Steel Bearing Left Hand Wound Replacement (Right Side) (Cone Color: Black) Description: Garage door torsion spring with 1" ID x 2" OD steel bearing. Left hand wound replacement for right side of garage doors. Material: Fabricated with high carbon ASTM 229 Class II Oil Tempered Wire. Measures: (234 x 1. 75 x 29) Coil Direction and Side: Left Hand Wound for the Right Side Includes: 1" ID steel bearing