Description
Doorking Pulley Dual 8 1 4 Inch OD 7 8 DKS 1602 050 33 ft arm 75 ohm coaxial cable with an FAA 63000131 liftmaster bearing Model:Uninstalled 3 7 16 diameter 75 ohm coaxial cable with an F connector OPEN REQUEST input terminals are supplied for hardwired activation of the access devices with an external pushbutton or key switch