HAVIS PKG-PSM-3004 2018-2019 Chevrolet Equinox & GMC Terrain Premium Passenger Side Mount Package. Premium PKG-PSM package includes a Heavy-duty vehicle specific base plate, Heavy-duty pole with height adjust handle, swing arm motion device with tilt-swivel and stability support arm. The Heavy-duty vehicle specific mounting base mounts to existing OEM seat bolts for easy installation (C-HDM-1004). Heavy-duty height adjustable poles bolt to the vehicle specific base. precision machined parts eliminate metal-to-metal contact and allow for smooth movement during height adjustment. (C-HDM-202). Swing arms with motion adapters are ideal for computer usage from both the driver and front passenger seats. (C-MD-112). Side support arms add upper pole support for premium top level stability. (C-HDM-401). Packages are complete and must be ordered as-is.