Sea-Dog Garboard Drain Plug - Machined Bronze [520040-1] Winterizing They are optional on some

They are optional on some boats but should be as standard as power trim and tilt

GPSMAP 1022 is designed for cruisers

Music sync created by onboard DSP (Digital Signal Processing)

Includes external DC Shunt or AC Current Transformer when required

These are your maps — you own them

Sea-Dog Garboard Drain Plug - Machined Bronze [520040-1] Winterizing They are optional on someGarboard Drain & Plug Machined Bronze The Garboard Drain & Plug provides drainage for the bilge during haul out. 1 2 NPT tapered thread plug provides a watertight seal. 2 diameter flange. Plug has a square top for use with a socket wrench. Constructed of machined bronze. Installs with three #10 FH fasteners (not included). Specifications: 1 2" NPT Fastener #10 FH