Very black, very dry ebony butt sleeves. 1.350" OD, have been opened up to 0.650" ID. Minimum 4.5" long, most are 4.75" or over. Bore to 0.750 or 0.875", cut to the length you need and be done with it. All the mundane work of turning square to round is done.
This ebony was hand picked for...