Pro-Ject Align It PRO Cartridge Alignment Tool - StandardThe Only Alignment Tool You Need You can set the Align it PRO up for the exact length of your tonearm and fix it to the center of your tonearm bearing. For Pro Ject tonearms, the fixing rod has two sides. A pointed end excellent for any type of tonearm or bearing, and a second flat end, which fits exactly into the center screw of our higher end tonearms and their bearings (X1, X2, and Classic Evo). For beginners or pros, the Align it PRO comes with