Features Easy to Install: The trimmer balance board has the characteristics of light weight and small size, it is easy to install, and the installation can be completed quickly, which is convenient for us to use. Better Assisted Cutting: Edge trimmer balance board is ideal for boards with a thickness of 12‑40 mm, this saw guide will greatly simplify your work. Practicability: The trimming machine guide rail is widely used in slotting, chamfering, cutting, milling, etc., which is very practical and practical. High Precision: The circular saw guide rail kit can be used in conjunction with tools such as routers, and the arc processing precision is high, which is very suitable for woodworking. Various Practical Accessories: The woodworking electric wood milling set also includes various accessories, such as short guide rails, twist drill bits, screws, wrenches, etc. Specification: Item Type: Saw Plate Material: Plastic + ABS Colour: Gold + Silver + Transparent Applicable Plate Thickness: Approx. 12 ~ 40mm / 0.47 ~ 1.57in Transparent Cover Inner Diameter: Approx. 65mm / 2.56in Transparent Cover Overall Height: Approx. 109mm / 4.29in Screw Hole Position: Approx. 62 x 70mm / 2.44 x 2.76in Application: Suitable for routers with diameter less than 65mm / 2.56in (Approx.).  Package List: 1 x Round Milling Plate 1 x Short Rail 1 x Transparent Cover 1 x Twist Drill Bit 1 x Hex Wrench 4 x Cross Screw 1 x Push Rod 4 x Round Head Screw 4 x Flat Head Screw 1 x Screwdriver Bit 1 x Fixing Screw 3 x Fastener 1 x Thread 1 x Collar 8 x Hex Screw Note: Please measure the size of your trimmer base before purchasing. Package List 1 x Round Milling Plate 1 x Short Rail 1 x Transparent Cover 1 x Twist Drill Bit 1 x Hex Wrench 4 x Cross Screw 1 x Push Rod 4 x Round Head Screw 4 x Flat Head Screw 1 x Screwdriver Bit 1 x Fixing Screw 3 x Fastener 1 x Thread 1 x Collar 8 x Hex Screw