Laser-cut to perfection, TV Jones Router Templates come in 2 sizes depending on the work you need it for. This specific template is the shape of the Original Gretsch Filter'Tron, or sometimes referred to as the "Professional (Pro) Gretsch Mount".
Ball bearing guide needs to match cutting diameter of router bit (1:1) and use a 1/2" bit. Available in small (use double stick tape) or large (clamp to guitar). Cut out of .25" acrylic.