The super precision one dovetail tool post and tool holder are especially designed for the tracer attachments. The knurled nut on the holder provides exact height adjustment, entirely eliminating the use of shims. The maximum tool capacity for turning and boring is 1/2". Dovetail dimensions of this unit are the same as the AXA. For additional tool holders see AXA series. Tool Post is supplied with removable handle. Holder is supplied with screw wrench.