PRODUCT DETAILS Click an item to expand and learn more Overview The HTC K1218 Extension Rail Kit includes 2 - 18-Inch and 2 - 12-inch extension rails that can be used to extend the size of your HTC 2000, PM-2500 or PM1000 base to accept larger tools.Fits HTC2000 universal mobile baseIncludes 4 - 18-Inch extension railsIncludes necessary hardwareEasy assemblyLimited lifetime warranty Reviews Questions and Answers