Humminbird GM H7 Gimbal Mount f/Select HELIX 7 Series [740146-1] Brand_Ocean Signal BOATS: Drain the lower unit

BOATS: Drain the lower unit of old gear oil and replace with a fresh supply

Pipe Size Inches: 1-1/2

Convenient roll-up design for compact storage until needed

UPC: 022677295749

Humminbird GM H7 Gimbal Mount f/Select HELIX 7 Series [740146-1] Brand_Ocean Signal BOATS: Drain the lower unitGM H7 Gimbal Mount for Select HELIX 7 Series The GM H7 is a plastic gimbal mount for all HELIX 7 models products except HELIX 7 G4N models . This includes the gimbal mount, knobs and mounting hardware. Compatible Devices: All HELIX 7 models, except HELIX 7 G4N models WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information