What is this black thing on my mast and what is it good for?

Jan 1, 2006
7,219
Slickcraft 26 Sailfish
"Absolutely nuthin'..." Credit to Edwin Starr. And the Temptations.
Really I don't know. Maybe a step?
 
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Likes: jviss
Jan 11, 2014
11,865
Sabre 362 113 Fair Haven, NY
It is part from the cabal of prior owners who leave bits and pieces on their boats in order to drive traffic to internet forums. Someday you too will be entitled to join the cabal.

Or it could have been a mount for an instrument, but there are no holes to attach the instrument.

Stumped me.
 
Jan 4, 2006
6,726
Hunter 310 West Vancouver, B.C.
I must say, your photography is superb, a view from every angle.

Given this information, I'm going to say it's the first mast step for ascending the mast. Unfortunately, the previous owner ran out of money and that's as far as he got.

Meh ............................. no better, no worse.