These AP Racing brake pads are the result of a mix specifically developed for high performance street application. Suitable for OE cast iron and stainless steel discs. In particular, they must be used for the rear brake discs of the motorcycle.
AP Racing is the most important motorcycles brake systems manufacturer. The results obtained have been increasingly important since 1966 when the first disc braking system for motorcycles was sold on the market and was subsequently globally recognized for its legendary Formula One successes. The range of AP Racing products, distributed by Athena, is universally used in all categories of motorcycle sports, from Superbike to Supercross.

I believe these will fit the 1995-2003 Honda RS125, but I couldn't find anything online to verify that. Just the following bikes for sure:

DUCATI