Specification: Product Name: Router Base Plate Material: Acrylic Size: 16.4cm/6.5inch Thickness: 7mm Manual measurement may have 1-3cm error Color: Clear Feature: [Premium Acrylic Material] This router base plate is made of premium acrylic material, which is very sturdy and reusable. It has excellent visibility, making it easy to observe the work surface and reducing incorrect movements [With Brass Centering Pin and Screw] The included convenient brass centering pin can quickly and accurately align the center of the base router collet. This package comes with a variety of screw sizes to accommodate various router sizes [Easy to Use] This acrylic router baseplate is easy to get stated for professional and novice. The product is transparent, providing excellent project visibility and suitable for any wiring scenario [Multiple Pre-Drilled Holes] It is designed with multiple pre-drilled holes to fit seamlessly with most trimmed products. It is a good choice for users Parts List: 1Router Base Plate 12Screw 1Centering Pin