Made by durable aluminum alloy material for long life use. Multi-functional insert plate with rings, suitable to make your own router table for high precision woodworking processing. Convenient center-hole bushing used to the router, so it is centered in the bit hole. Easy-to-use woodworking milling machine. Features - Color: Red. - Material: Aluminum alloy. - Size: 23.50X12.00X0.80cm/9.24X4.72X0.31inch. - Made of aluminum alloy panel, accurate insert ring,durable and can use for a long time. - Work with the trimming machine for trimming deflashing, slotting, milling of woodworking. - Convenient center-hole bushing used to match the router, so it is centered in the bit hole. - Make accurately drilling and mounting of wood working process. - Scale design is not easy to wear, assistant to home DIY carpentry. Package list: 1 x Set of Engraving machine flipping board