LiftMaster Chain Tensioner, 1" | LIF-71-6023 liftmaster mega arm #25x87 with ML | LIF-K19-25087M

#25x87 with ML | LIF-K19-25087M

Featuring a slim housing

Hydration Pack Is Made With A Rugged Material That Is Both Durable And Lightweight

Mounting bracket

ensuring uninterrupted access control when it matters most

LiftMaster Chain Tensioner, 1" | LIF-71-6023 liftmaster mega arm #25x87 with ML | LIF-K19-25087MLiftMaster Chain Tensioner, 1" LIF 71 6023 Chain Tensioner Kit for H, J and HJ Commercial Door Operators. Maintain the correct amount of tension in the chain of your commercial door operator with this part. Made for 1 Shafts, it will apply tension to the drive chain between the operator and the shaft of the door. Genuine LiftMaster replacement part.