HILTI X-CHANGE MODULE DD-X 3" LCS, NEW, FREE HAT, FAST SHIPPINGHILTI X CHANGE MODULE DD X 3" LCS, NEW FREE HAT INCLUDED Features The new Hilti X Change module lets you re tip core bits right on the jobsite in just a few minutes, using only a simple screwdriver Save 50% space and 50% weight thanks to Hilti X Change modules you can fit all the diameters you need into a lightweight and convenient Hilti soft bag Hilti BI+ quick release connection lets you change core bits in seconds no tools required (keyless system)