The VSP-120 comes with variable speed control switch with an automatic speed feed-back system to maintain consistent RPMs with or without a load. This switch has also expanded the usable RPM range from 500 RPM to 2,800 RPM scorching the work piece. Alpha® has also added a Splash Guard that can be trimmed to adjust the height for the best comfort and protection. Every stone fabricator should try the VSP-120 variable speed wet polisher to achieve the best performance and high quality results.