Product Material:The board is made of bakelite, grade A bakelite material. The clamps on both sides are aluminum profiles. Product Size:The bakelite plate is 160x90x6 mm (6.3x3.54x0.24 in). Both sides of the aluminum clamp block is 160x30x15 mm (6.3x1.18x0.59 in), the clamping range is 10 to 55 mm (2.165x0.394 in), which is the thickness of the wood to be processed. The diameter of the router base is 63.5 mm (2.5 in), the diameter can be fine-tuned, suitable for most router. Product Features:Used to fix the router in the slot on the board. With the limit plate to limit the size, you can quickly and accurately process the mounting groove of the furniture concealed connector slide buckle. Applicable Person:It is suitable for DIY enthusiasts, , and decoration workers, and is an essential tool for workers in the wood industry. OPERATION CAUTIONS:Milling cutter as small as possible, so that the operation is more stable. If the milling cutter cutting amount is large, it will produce milling cutter vibration phenomenon. When cutting thicker or harder boards, you can process them in layers. Material: aluminum alloy Color: as shown Package Contents: 1 set router milling groove bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.