Specification: Item Type: Router Table Insert Plate Material: Aluminum Alloy Size: Approx. 23.5x12x0.8cm / 9.3x4.7x0.3in Weight: Approx. 407g / 14.4oz Use: Hole Opening Color: Red Package List: 1 x Router Table Insert Plate 4 x Insert Rings 16 x Screws 4 x Nuts 1 x Accessories Features: CLEAR SCALE: Both sides of the plate are printed with scales in inches and centimeters, which are clear to read and not easily worn out. STURDY AND STABLE: Made of aluminum alloy, the router plate is sturdy and durable, resistant to rust, and designed for long-term use. 4 INSERT RINGS: Includes 4 different sizes of insert rings with a convenient center hole bushing design, allowing compatibility with various hole openers. PRECISE DRILLING: Ensures accurate drilling and simplifies the installation of hole openers. WIDE USAGE: Suitable for wood trimming, milling, slotting, drilling, engraving, and other woodworking applications.