Specifications: Item Type: 2 in 1 Wood Router Base Material: Aluminum Alloy, Engineering Plastic Application Board Thickness: About 0-5cm/0-2" Screw Hole Size: About 62 x 70mm / 24.4-27.6" Application: Inner Diameter 65mm Trimming Machine Application: Suitable for wood, plastic board beveling, groove cutting, surface finish, curved cutting, wood edge cutting, pattern processing and other work activities.