Features: Easy to make a woodworking, edging, trimming, grooving, veining wood projects and suitable for chipboard, MDF board hardwood and softwood. It is a ideal for carpenters and hobbyists of all experience levels. Don't cut metal or non wood materials, such as: steel and iron. Industrial quality router bits,totally enclosed and lubricated bearing Sharp and durable for cutting smooth surface, high precision and accurate positioning. impact resistance and smooth operation,long service life. Baked on heat resistant coating prevents build-up of sawdust, resin, and pitch. Specifications: Balance: +/- .003" tolerance Body: Solid Hardened Steel Blade: Industrial grade micro grain carbide Cutter: CNC ground to a 600 grit, mirror-like finish Material: Alloy blade, carbon steel handle Color: Red Size:Shank Diameter: 1/4" Wooden case size:6.85"length;4.92"width;2.0"depth. Package includes: 1*Trimming Pattern Router Bit Set(15pcs) Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you. At the trepanning,please wear good protective measures,in case of wood chips splash damage eyes. ▶Please Note: Please choose 1/2-Inch Shank Version if you work on high hardness material. Please make sure your router speed start at 15000RMP when you use these series router bits to prevent the shank getting bent. You can speed up to 20000RMP if the material is not too hard.