• Used to drill offset holes, holes with equal spacing
  as well as milling key surfaces in 4 sided, 6 sided,
  etc materials.
• Graduated on base. Chuck jaws can be reversed to yield
  1.5 – 32mm (inside) and 12 – 65mm (outside) and bore
  of 11mm. Allows long items to be clamped vertically.
• Mounting holes to secure the unit vertically or horizontally are
  provided. T-nuts, as well as mounting screws are also
  included.
• Size 72 x 64 x 38mm.