*1/4 x 20 x 1 = Lowrance GM-LCX-LMS/ Eagle / Hummingbird 800/900/ONIX

*M6 x 1.0 x 16mm = Furuno - Garmin - HDS

*M6 x 1.0 x 40mm = Navman / Raymarine - A60-A9, DS, E7, 95, 97, G120, G190

*5/16 x 18 x 1-1/4 = Hummingbird 1100, 57C, 58C

Please make sure you post your model in the notes upon ordering so we can include the correct bolt per lock. 

If you don't see your model just email us.

[SeacuredFishing] ©  2019 |

Guardian Lock GPS / Fishfinder
List GPS / Fishfinder Models

The Guardian Lock

For Fishfinders and GPS Units

What comes in the box

*Easy to follow instructions 

*Lock with key

*Bolt for the type of unit you have - Phillips Head

 *Drilling template - for drilling a 3/16" hole

*Maintenance Card

Cost $99.00 ea
Plus Shipping of $7.55
(Includes up to 3 locks per package)

Please tell us in the notes which GPS / Fish Finder you have.  This way we can get you the correct bolt for your unit.
If you're local to South Florida, we will even install it for you.  Email us.