- Diverse style and sizes: a broad range of essential router bits in multiple sizes, enabling crown moldings that upgrade any room - Shank size and use: 12 mm shanks. create architectural picture frame molding and decorative trims for walls, mirrors, and cabinetry - Blade quality: premium C3 micrograin tungsten carbide blades for sharp, long-lasting cuts - Precision and durability: heat-treated carbide blades stay sharp and can be resharpened; sealed bearings ensure smooth rotation and precise cutouts - Maintenance: heat resistant Teflon coating reduces friction and extends tool life - Compatibility: designed for standard routers that accept 12 mm shank bits - Practical scenarios: use for crown molding along ceilings, picture frame molding around artwork, and decorative edge work on doors and cabinets - Safety: avoid collisions with hard surfaces such as cement floors or metal surfaces to prevent blade damage