1. APPLICABLE SCENES: This base kit is suitable for woodworking machines such as engraving, slotting, trimming and chamfering machines. 2. UNIVERSAL TYPE: The lifting base is universal design, suitable for woodworking machines with motor diameters between 64mm to 66mm. 3. LIFTING RANGE: The maximum lifting stroke is 51mm(2in), can be lifted by 1mm per rotation, manual lifting method is and stable. 4. METAL STRUCTURE: The body is made of aluminum alloy, with stainless steel support rods, lightweight, rustproof and resistant. 5. EASY INSTALLATION: 4 mounting holes design, equipped with screws and wrench, simply attach the threaded support rod to the plate for use. Spec: Item Type: Router Kit Lifting Base Material: Aluminum Alloy, Stainless Steel Router Plate Material: Aluminum Alloy Table Top Size: Approx. 240 x 200mm / 9.4 x 7.9in Maximum Lifting Stroke: Approx. 51mm / 2in Lifting Method: Manual lifting, equipped with manual lifting lever Mounting Screw Hole Position: Approx. 70 x 62mm / 2.8 x 2.4in Applicable Machine: Universal type, suitable for trimming machines with motor diameter between 64-66mm Package List: 1 x Lifting Base 1 x Handle 4 x Screws 1 x Hex Wrench 1 x Router Plate 1 x Engineering Plastic Backer 1 x Angle Disc 2 x Insert Rings