1、EASY TO INSTALL: The woodworking inverted lifting base come with 4 mounting screws and simply attaches the threaded support rod to the table 2、WIDE RANGE OF APPLICATIONS: Router lift systems are suitable for worktables, woodworking and electric wood milling, etc., which can clamp the trimming machine with a diameter of 64~66mm, and the installation hole distance is 70x62mm 3、SUPER LIFT STROKE: In general, other lifting bases can only lift 40mm(1.57in). This electric router lifting base can be lifted up to 54mm(2.1in) with 1mm per revolution 4、DURABLE MATERIAL: The main body of the router table lift base is made of hard aluminum alloy, CNC machining, possess smooth and bright surface, stainless steel support rod, rustproof and corrosion prevention, possess long service life 5、VERSATILE APPLICATIONS: The adjustable woodworking inverted lifting base is perfect for various woodworking applications. Whether you need to groove, trim, chamfer, or mill, this lifting base provide the stability and adjustability required for accurate results Item Type: Woodworking Inverted Lifting Base Adjustable Material: Aluminum alloy Mounting Hole Spacing: Approx. 70 x 62mm / 2.76 x 2.44in Lift Range: Approx. 0 ~ 54mm / 0 ~ 2.13in Compatible Models: Outer Diameter: Approx. 64 ~ 65mm / 2.52 ~ 2.56in 1 x Woodworking Inverted Lifting Base 1 x Inverted Board 1 x Backrest 1 x Push Ruler 2 x Washer 2 x Wing Nut 2 x Screw for Wing Nut 2 x Spanner 1 x Handle 4 x Screw