1MAXIMUM 47MM: The lift base can lift up to 47mm, and can hold the machine with a diameter of 63.8 to 65mm, suitable for small trimmer. 2METAL MADE: The main body of this router table lift base is made of aluminum alloy, which has high strength and is not easy to be damaged. 3STABLE SUPPORT: The support rod of this lift base is made of stainless steel, which is sturdy and stable, rust prevention, ensures long life. 4HAND CRANK: Comes with a hand crank handle, you can easily and accurately adjust the height of the router drill bit from above the desktop. 5DIY USE: This lift tool is ideal for making your own router workbench for high precise woodworking, easy to install and operate. Item Type: Router Lift Base Material: Aluminum Alloy, Stainless Steel Rod Color: Red Maximum Lifting Range: 0-47mm Application: Suitable for S8-2 Countertops Stable: Stainless Steel Support Rod Convenient Operation: Fast Installation, Hand Crank Lifting Use: Suitable for making your own high precise woodworking router workbench 1 x Router Lift Base 1 x Hand Crank Handle 4 x Screw 2 x Hex Wrench