The WIN-CHOKE STYLE TOOLING MANSON PRECISION 12 GAUGE TAP is used to install choke tubes with superior results when used with a lathe, though it can also be done by hand.
This tooling includes a precision ground tap and reamer from high speed steel, with interchangeable pilot bushings for accurate bore alignment.
It is designed for 12 Gauge shotguns and is compatible with various brands including Win-Choke, Browning Invector®, and Mossberg Accu-Choke®.