ADJUSTABLE AIR BLEEDS (sold as 20 air bleeds to 1 packet. $30 = 20 airbleeds)
MADE FROM BRASS
THESE HAVE A 0.5 MM OR 20 THOU HOLE THOU PREDRILLED HOLE

HOW TO INSTALL
SIMPLY SCREW IN AND OUT WITH A SCREW DRIVER

BENEFITS - BY INSTALLING THESE
ABLE TO FINE TUNE YOUR CARBY
ABLE TO DRILL THESE OUT TO SUIT YOUR MIXTURE
GREAT FOR METHANOL CARBYS