A Hair Stacker is used to align the tips of hair cut from a hide. The double hair stacker has an aluminum base and 2 brass barrels. These barrels are smooth to allow the hair to slide easily. The aluminum base has a rubber pad to protect the table.
One barrel is 7/16 OD by 1-3/4 " long, and the other barrel is 3/8" OD by 1-1/2" long.
One brass barrel is 1" long with and inside diameter of 1/8" and the other brass barrel is 1 1/8" long with an inside diameter of just over 1/8".