convert a gbr bristles to abr

[gimper66]

is anyone able to convert the gbr file into an abr file.
we would also like to use the brush in Photoshop,unless someone already has the same brus in abr or in his or her photoshop.
in anticipation, thanks in advance,gimper66

[Nidhogg]

Attached.

[gimper66]

Attached.

nidhogg,
thanks for your quick response,the abr brush is not for myself but for a friend who works with photoshop.
when he saw what I could do with it, he wanted to try it also, but I could not convert it to abr myself.
thanks again, and greetings from belgium.
gimper66