Features 1、Made of high-quality aluminum alloy, strong and wear-resistant, not easy to rust. 2、Convenient center-hole bushing used to fit the router, so it is centered in the bit hole. 3、It can make accurately drilling and mounting any router easy. 4、With clear scale and not easy to wear, it is a nice helper for woodworking. 5、Router table insert plate size: 235 x 120 x 8mm/ 9.3 x 4.7 x 0.3in. Specification Features: Made of high-quality aluminum alloy, strong and wear-resistant, not easy to rust. Convenient center-hole bushing used to fit the router, so it is centered in the bit hole. It can make accurately drilling and mounting any router easy. With clear scale and not easy to wear, it is a nice helper for woodworking. Router table insert plate size: 235 x 120 x 8mm/ 9.3 x 4.7 x 0.3in. Specifications: Rings Color: Black/ Red(optional) Material: Aluminum Alloy + ABS Plate Size: 235 * 120 * 8mm/ 9.3 * 4.7 * 0.3in. Plate Weight: 292g/ 10.3oz Package Size: 250 * 160 * 20mm/ 9.8 * 6.3 * 0.8in Package Weight: 360g/ 12.7oz Packing List: 1 * Router Table Insert Plate 4 * Insert Rings 1 * Pack of Fixing Screws Package List 1 * Router Table Insert Plate 4 * Insert Rings 1 * Pack of Fixing Screws