The Knuckle is just .40 inches thick and will hold two Twelve Grams snugly and most importantly in total silence.
Two internal O-Rings provide 12 Gram retention.
And once you dump your empty 12 Gram you just put your bucket changer under a fresh 12 gram and pop it in with a thumb.
O-Rings for 12 Gram retention are included.
Add a single drop of oil on each O-Ring if desired to loosen the grip on your 12v’s.
**Only available in Matte Black.
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