Flite Post Hammer-on Clamp up to 1/4" Flange Pack of 10 - BIRD CONTROL - FLOCK FREE
Stainless 1 hole Flite Post with hammer-on Flange Clip, fits up to 1/4" thick flange.

Flite Post Hammer-on Clamp up to 1/4" flange

Sold in packages of 10