Hole opening is 19-3/8"

the Scanstrut SC102 Pole Mount installs your radar onto the deck or transom of your boat

JIS8 Submersible - Meets rigid JIS8 submersible standards (5' 30 min

One (1) EMT Shears - 4"

Manufacturer Hubbell Wiring Device - Kellems

Vetus MGS5455A - Plastic muffler MGS 127mm 45deg inlet, 127 mm out Adaptor Hole opening is 19-3/8"MG waterlocks are designed for modern high performance boats with one or two large engines which leave little space to spare in the engine room. The outlet connection at the top can rotate through 360 and the inlet connection is at an angle of 45upwards. Type MG waterlocks can only be installed in water injected exhaust systems. The body is entirely constructed from synthetic materials and is therefore not susceptible to corrosion or galvanic action.