GP2170-06 SystemPod Pre-Cut for Garmin 1020/1020xs/1040xs & 2 Instruments for 12' Wide Guard NavPod GP2170 Series for 12' Guard, SystemPods for Sail are for mounting multiple pieces of electronics in one NavPod. This is a good way to reduce the height of a system. In addition to mounting a radar or chartplotter, you can have room for an autopilot, instrument, stereo controller, or VHF mic. A SystemPod is best mounted on a Single Bend AngleGuards. SystemPods for Power are for mounting on a SK135 Stachion Kit can be used to mount a SystemPod on a flat surface, such as the flybridge. Stachion Kits can also be used with a SystemPod for overhead mounting applications. Sizing: Overall Size: 11.750'H x 23.25'W x 6.75'D Usable Face: 9.9'H x 20.5'W x 5.375'D Max Cutout: 9.125'H x 20'W Instrument Cutout: 3.6' All SystemPods include * Acrylic capped ABS plastic * Chromed stainless steel tamper-poof fasteners * Double seal for watertight integrity * Models are available pre-cut for popular electronics * Stainless steel mounting hardware and mounting gaskets