AGD Group Dial Diameters 

• Revolutionary stem-bush design for trouble-free stem clamping (longer clamping range).
• 3/8" Stem Diameter and  4-48 UNF Contact Thread
• Ø 8mm Stem Diameter and M2.5 x .45 Contact Thread
• No through screw hole on the frame for high dust-resistance Involute curved lifting lever for smooth movement of spindle and dovetail joint for
  tool-less connection.
• Greater rigidity in the bearing plate for reducing the retracing error (20%) and 4-screw mounting for increasing impact resistance.
• *Use in vertical position only.

See Chart at bottom of Page for Specifications