This 19mm Male Tool holds the 19mm Female Glass Joint. Comes with 12" of graphite for chucking up in your Lathe. This is the only way Blast Shield can guarantee they run true.
When the Holder wears out , you can send it back to them, and they will redo the end for $15.00. You can also send it to us to ship back (you pay all shipping). NOTE: THE HOLDER CAN BE RE-TOOLED 5-6 TIMES