The MartletHeavy Duty Wet & Dry Dual Wheel Benchtop Grinder is really two machines in one! On one end of the machine is a standard Dry Grinding Wheel and the other side has a gearbox driven Slow Wet Grinding Wheel with a Water Bath. This is a great addition to any woodworker or knife maker's workshop lineup as it offers the best of both dry and wet grinding in one compact benchtop machine. This excellent machine from Martlet brings you slow speed wet grinding at an excellent price! Note: Colors may vary