The wrench for large Mansfield flush valves is designed to make the installation of the 3 inch flush valves a breeze! The wrench works for Mansfield models, 102, 106, 108, 112, 177, 178, 185, 187, 188, 195, 386, 1386, 3106, 3108, 3147, 3148, 3185, 3195, 3386, 3816, 3916, 3987, 376, 2916, and 1587. We make this flsuh valve wrench in store. It is made out of a durable 3D printed material. The color may very.