Coborn single-plane Model DB1 safely performs cutter and grinding-wheel balancing. All rotating parts are fully enclosed, and solenoid keeps lid closed until all parts come to complete standstill. Built-in digital indicator reveals tool''s heavy/light point within 5 sec. Display is calibrated in user-selectable ounces or grams and is accurate to 0.001 g resolution. Self-tuning and autoranging functions are standard. Optional software links balancing machine to PC, graphically indicating setup and operating conditions and importing data into spreadsheet or database for analysis.