This is a horizontal strap mount for 12 volt Socket products fits poles 1-1/2” to 4” with the included tie wrap/strap, with longer strap poles up to 8”.

Used to mount 12 volt sockets, switches, alarms, Connectors, strobe lights, USB chargers and float sensors. # P3mnt

This listing is for one mount as shown, includes a 15” long, 9mm strap.  Can be used with any 9mm tie wrap or 3/8” wide hose clamp. The socket product shown are not included in the listing, just the mount and strap. The mounts hole opening is for 1-1/8" 12 volt socket products.