The Feather is the latest ultra-light nut tool from Metolius. It is essentially an aluminum version of the Extractor which Metolius has discontinued.
The Feather weighs in at only 21 grams making it the lightest nut tool currently available. We have not had a chance to see how this aluminum version compares to other stainless steel nut tools like Metolius's Torque.
We expect to do a full review of the Feather in the future but for now check out our Best Nut Tools For Climbing review to see all of the nut tools we've tested.