where i can trade my 125 ref for keys?

#1

Eldest

0 Frags – +

Title halp please

#2

dgitl

5 Frags – +

scrap.tf
edit: ok they have none available right now but you can also go on tf2outpost.com

#3

DRIFTA

5 Frags – +

look under 'sell orders'

http://backpack.tf/stats/Unique/Mann%20Co.%20Supply%20Crate%20Key/Tradable/Craftable

look under 'sell orders'

#4

Thoughtcrime

1 Frags – +

backpack.tf is your best bet. I've had far more luck with it in the past than with outpost.