Liftmaster 71-6023 Commercial Jackshaft Opener Chain Tensioner

Maintain the correct amount of tension in the chain of your garage door opener with the LiftMaster 71-6023 Commercial Jackshaft Opener Chain Tensioner available at North Shore Commercial Door. Made for 1-inch shafts, the LiftMaster 71-6023 will apply tension to the drive chain between the garage door opener and the shaft of the door. For a 1 1/4-inch shaft, order part No. 71-6125 instead.

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