Specifications. Work Wheel Speed: variable up to 3,600 RPM; 11,000 SFPM (56 M/S) Power: 380-400 VAC / 460-480 VAC, 3PH, 30 A, 50/60 Hz (Voltage Conversion Kit available for other voltages) The Glebar CAM.2 Micro Grinder is the perfect tool for precision grinding of small, complex medical devices including guidewires and needles.