An angle grinder is a hand-held power tool used for polishing, cutting, and grinding. They can be powered by compressed air, electricity, batteries, or gasoline engine. There are models with 115 mm or 125 mm discs for small grinders and large models with 230 mm discs. These tools can be used to cut a part or remove excess material from a workpiece. Many discs can be used with an angle grinder. For example, here are some types of discs for these tools: cutting discs, sanding discs, polishing Discs, etc. The discs used with an angle grinder depend on the application. The Ronix 3212 angle grinder is an excellent power tool with 2350W power that can be used for a variety of heavy-duty and industrial applications. This angle grinder is particularly used for cutting stone and masonry. Similarly, the Ronix 3212V angle grinder is manufactured with all the features and capabilities listed, the only difference between these two devices is their voltage and frequency.