The Bose Companion 2 Series II are a great magnetically shielded speaker that can be had at a low price, making them a perfect companion for your PVM-14L5 monitor. Bob at RetroRGB has great information on the subject. These stands allow you to mount your speakers directly to the sides of your monitor.
Note: These are designed specifically only for the Bose Companion 2 Series II speakers for use with the Sony PVM-14L5 monitor. Alternate speakers and monitors may be incompatible.
This is one set (a pair) and includes (8) of M4x10mm Socket Head Cap Screws.
Also available for download on Printables.