• Maximum Compatible Wheel Diameter: 12"
• Radius Range: Concave 1/32"-1-5/8", Convex 0-1-5/8"

• Extremely Accurate & Versatile
• Useable on all OD / ID surface grinding operations.
• Independent or Simultaneous Radii & Angular operation
• Adjustable gibs
• All moving parts are lapped
• Gauge block setting for precise radii
• Knob A controls Radii & Knob B controls angular movements