This economical package includes everything you need to start polishing granite or concrete. The Kawaii wet stone polisher has 7 amps 800 W power, with GFCI for safety protection, a water splash guard and variable speed from 1,000 to 4,500 RPM. It also comes with a 10 feet water hose ready to connect to garden hose faucet.The diamond polishing pads are 4", standard for edge polishing and provide less vibration compare to 5" pads. They come with 50 grit, 100 grit, 200, 400, 800, 1500 and 3000 grit. The diamond pads are designed for wet polishing of hard granite and concrete.The 26 minute long How to DVD demonstrates how to profile and polish granite in great details.