Description
LiftMaster Trolley Track for up to 18ft Tall Door LIF 10 5818 P 423lm transmitter This BFT accessory features a FAA 63000131 liftmaster bearing Model:Uninstalled 3 7 16 diameter This BFT accessory features a resettable impact protection connector (manual reset) that allows the boom arm to safely disengage upon collision NOTE: This an input board only