Feature●[Our Feature and Patent] Our patented Indexable Double-Layer carbide inserts with exclusive screws simplify knife mounting, providing a user-friendly solution that prevents insert breakage.●[Durable Materials] With the tungsten carbide insert, it is able to reduce noise and tear-out, and produce a much smoother finish on difficult hardwoods.●[Cost-efficient] The indexable inserts allow you to rotate them if one knife edge is dull or nicked. Youll only need to replace the insert when all 4 sides are worn out.●[Excellent quality] Our high-precision manufacturing boosts cooling speed and cutterhead stability, extending its service life with specially designed tungsten carbide inserts.●[Including tool kit ] Two bearings: 6202+6204(mounted)/ 5 spare inserts/ 10 spare screws/ two T wrenches. Detailed dimensions are attached to the product photos.Description Our cutterhead excels in maintaining tight tolerances and performance over time. Our patented Double Layer Insert and screw design make knife mounting easy, user-friendly, and eliminate insert breakage. The toolkit includes two bearings (mounted), 5 spare inserts, 10 screws, and 2 T wrenches.