SPI 40-149-7 45X Centering Scope

Features:

• Enables operator to locate work for drilling, boring, etc., on vertical milling machines, jig borers or drill presses.
• Edges, lines or punch marks on work piece can be quickly located or centered relative to the axis of the machine spindle.
• To use, simply place instrument in machine, locate lines on work to match crosshair lines in viewing aperture.
• Knurled sleeve on lower end of scope is turned to compensate for misalignment.
• The work layout intersection is now in the exact center of the spindle axis, ready for cutting tool.
• True position accuracy ±0.0001".
• Crosshair reticle for use as reference of X and Y axis.
• Overall height: 3". Shank dia. 3/8".
• Eyepiece angle 60°.
• Field of view 1/8". Working distance 1" from lens.