Features: Engineered with Top and Bottom Bearing design, this high strength 45# carbon steel trim router bit ensures reduced friction and enhanced efficiency for precise woodworking edges profiling. Featuring a durability antirust sprayer coated surfaces and available in 1/4inch or 6mm shank option, the alloy cutter delivers exceptionals wear resistance and compatibility with most routers. Ideal for woodworkers, professional craftsmen, and enthusiasts seeking reliability router bits for woodworking projects requiring clean edges and long lasting performances. Perfect for trimming laminate countertops, shaping decorative moldings, or refining furniture edges, its double bearing systems ensures smooth operate on both straight and curved surfaces. The combination of premium alloy construction, corrosions resistant coating, and versatile shank sizes makes this trimming router bit a must have upgrade for precise focused workshops. Specifications: Component: 45# carbon steel Color: black, yellow Size: 1/4x1/2x25, 1/4x1/2x38, 6x1/2x25, 6x1/2x38 6Option Type; Shank:6.35mm/ 1/4inch,6mm Package Includes: 1pc Trim Router Bit note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.