Features Easy To Install: This router table lifting system base comes with 4 mounting screws, which simply secures the threaded support rods to the table. Excellent Aluminum Alloy Material: This woodworking inverted lifting base is made of excellent hard aluminum alloy material, which is sturdy and wear resistant, not easy to be damaged and has a long service life. CNC Processing: This milling table lift system is CNC processed, with a sleek and bright surface, which is rust and erosion resistant and has a long service life. 0 To 54mm Lifting Range: This router lifting platform has a 0 to 54mm lifting range, you can adjust it within the Chinese range according to your needs, which is very practical. Wide Application: This router lift base has a wide range of applications, and is suitable for workbench, woodworking inverted electric wood milling inverted, etc. It can clamp trimmers with a diameter of 64 to 65mm. Specification: Item Type: Woodworking Inverted Lifting Base Material: Aluminum Alloy Installation Hole Distance: Approx. 70 x 62mm / 2.76 x 2.44in Lifting Range: Approx. 0-54mm / 0-2.13in Applicable Model: Outside Diameter Approx. 64-65mm / 2.52-2.66in Model Package List:1 x Woodworking Inverted Lifting Base1 x Inverted Plate1 x Backrest1 x Push Ruler2 x Gaskets2 x Wing Nuts2 x Wing Nut Matching Screws2 x Wrenches1 x Handle4 x Screws Package List 1 x Woodworking Inverted Lifting Base 1 x Inverted Plate 1 x Backrest 1 x Push Ruler 2 x Gaskets 2 x Wing Nuts 2 x Wing Nut Matching Screws 1 x Wrenches 1 x Handle 4 x Screws