Glock Bit Set from Brownells

[Nathan]

Any idea what this is? My Glock has no screws. . .So, what are these bits? Is it worth my $13?

 

[LED]

One screw (a nuthead) secures your front sight. Another is a windage screw if the Glock has an adjustable rear sight.

 

[Scorch]

Front sight nut driver, and pin pushers.