Features: brand new and high quality. Heat-resistant coating baking to prevent the accumulation of wood chips, resin and asphalt, good wear resistance. for Ideal for hand-held routers, laminate trimmers, table-mounted portable routers. Made of hard material, sturdy carbide alloy. Sharper & longer-lasting edge can withstand long-term use. Professional quality router bits, with anti-kickback design to control the depth of cut and work safely. Suitable for trimming, grooving, etc. Such as DIY project, lettering, and other template work. Specifications: Material: Carbide Alloy Size A: approx 6.35x12.7x10mm/0.25x0.5x0.39 inches Size B: approx 6.35x12.7x20mm/0.25x0.5x0.79 inches Size C: approx 6.35x12.7x25mm/0.25x0.5x0.98 inches Size D: approx 6.35x12.7x38mm/0.25x0.5x1.50 inches Package Includes: 1x 1/4 Shank Trimming Cutter (4 size optional) note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!