Help with identification

[Darwin]

Hello All:

I found this diving in a lake just north of Kingston, Ontario. My friends and myself are having a fierce debate over its identification/function. It weighs about 10 kilograms (22 pounds). Frankly, we just don't know. Any thoughts would be most appreciated.

Cheers,

Darwin, from Ontario

 

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[jscorpio]

Part of anchor maybe. For buoy ?

 

[destobrat]

Possibly a weight for a Side Scan Sonar?

 

[Rob66]

Some kind of level weight?
RD

 

[DCMatt]

Possibly a weight for a Side Scan Sonar?

I agree. Nose weight for some kind of towfish.

DCMatt