详细规格及用途描述

Perfect ellipses and circles with your router. It's never been so easy to make ellipses, elliptical frames and circles. Thick ellipses like those on old mirror frames are easy to do.
/ Cut circles from 25" to 88" in diameter.
/ Cut ellipse from 23" x 19" up to 97" x 92".
/ Cut ellipses with a major/minor diameter difference of up to 9".
/ 3 rod sizes fit any router.

(ECJ3) NON-Vacuum
(ECJ5) Base Is Vacuum Ready