Features 1、Excellent Aluminum Alloy Construction: Our router table base is made of excellent aluminum alloy, ensuring durability and abrasion resistant. The stainless steel support rods are erosion resistant and long lasting, providing reliable support for your woodworking projects. 2、Hand Crank Design: Featuring a hand crank mechanism, the router table lifting system offers slick and accurate height adjustment with a maximum lift of up to 51mm, allowing for seamless edge trimming and routing operating. 3、Efficient Carving Machine Compatibility: The router table lifting base is compatible with carving machines, increasing efficiency and productivity in your woodworking tasks. It is suitable for use with carving machines with a motor diameter between 64-66mm. 4、Secure Clamping Mechanism: The router table lifting system base utilizes a 4 claws clamping system to securely hold your equipment in place, ensuring stability and preventing slippage during operating. 5、Easy Height Adjustment: Equipped with a crank handle, the router base allows for easy and accurate adjustment of the router bit height from above the tabletop. It can be used in conjunction with milling machine mounting plates, featuring screw hole positions at 70x62mm. With its reliable quality and user friendly design, this router base is a great woodworking tool for both beginners and professionals. Specification Item Type: Router Table Base Color: Black Material: Aluminum Alloy Maximum Lifting Stroke: Approx. 51mm / 2in Lifting Method: Manual Lifting Installation Screw Hole Position: Approx. 70 x 62mm / 2.8 x 2.4in Size: Approx. 100 x 90 x 100mm / 3.94 x 3.54 x 3.94in Package List 1 x&nbsp;Router Table Base<br>1 x Hand Crank Handle<br>4 x Screws<br>1 x Hex Wrench