Package include 3pcs .
There are four size avaibale for you choose : 0.49inch / 0.52inch /0.55inch/0.58inch
High-strength special custom plastics ensure sufficient strength while allowing the extender to be easily sanded.
the 0.49inch / 0.52inch for graphite wood shaft
the 0.55inch / 0.58inch for steel iron shaft
any further questions ,please feel free contact seller