Material: The flip board is made of aluminum alloy, which can be used for many years without rust or deformation. Thoughtful: The wood router flip plate has adjustable holes, which can be applied to different brands of machines. You can also drill holes if necessary. A SET OF TOOLS: The insert table comes with 4 insert rings and screws, which can meet different needs and woodworking. MULTI-FUNCTIONAL: Whether you are a woodworker or a DIY enthusiast who enjoys small projects, the aluminum alloy flip board is a good helper for your woodworking. Color: Black Material: Aluminum alloy Size: 12 x 23 x 1 cm Package Contents: 1 x Engraving Machine Chip Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.