Molten Saw
The Molten Saw is the second tool you can buy in the Molten Core layer in Mining Simulator 2. It costs 10m coins with a mining power of 165 & mining speed of 95.
Apparently, it's possible to mine rocks using a chainsaw. Don't try that one at home.
Molten Saw

Mining Power: 165
Mining Speed: 95
Cost: 10m coins