Starrett Magnetic Base with Post Assembly, EDP 68621 – 660

The compact and versatile 660 Magnetic Base Indicator Holder has three adjustable pivots controlled by a single knob for fast, easy indicator positioning.

• Small but powerful magnetic base with 70lb (320N) holding force
  
• Positive On/Off switch
  
• Base Dimensions: 1-3/16″ x 1-9/16″ x 1-3/8″ (30mm x 40mm x 35mm)
  
• Horizontal and vertical mounting positions
  
• Will hold any indicator with a 3/8″ (9.5mm) stem or standard dovetail mount
  
• Articulating arm with powerful central locking knob, provides full 360 horizontal positioning and over 180 vertical positioning
  
• Maximum Horizontal Reach: 4.750″ (120mm); Maximum Vertical Reach: 7.500″ (190mm)
  
• Very sensitive fine-adjustment thumb screw