Features 2 UNITS: The router table insert plate is designed in inch and centimeter 2 units of measurement, which makes it more convenient to use. Adjustable holes: there are adjustable holes on the milling plate, which are suitable for trimming machines of different brands. You can also drill holes if necessary. Made of aluminium alloy: the flip board is made of high-quality aluminium alloy with anodised surfaces, which can be used for many years without rust or deformation. INCLUDED ACCESSORIES: The router table top is equipped with 4 different insert rings and screws, and can meet different requirements and woodworking processes. Multifunctional: the insert board is widely used for woodworking or DIY projects and is a good helper for carpentry. Specification: Item Type: Aluminum Router Table Top Material: aluminium alloy. Colour: black. Use: used for the reversing function of the trimming machine Package list: 1 x aluminium router table top. 4 x insert rings. 1 x mounting rod. 16 x screws. 4 x nuts. Note: Please pay attention to the size to make sure the insert plate is suitable for your router. Package List 1 x Aluminum Router Table Plate 4 x Insert Ring 1 x Fixing Rod 16 x Screw 4 x Nut