Premium 45 steel shank: HUHAO carbide-tipped roundover router bit is made from high-quality tungsten steel inserts / 45 steel shank, providing superior durability and sharpness .High-quality alloy steel bodies, cutters provide superior wear resistance and long life, with anti-kickback design. Precision and Efficiency: The router bits shank 1/2 inch. Radius: 3/4", Cutting Diameter: 1-1/2"(12.7*38.1mm). Suitable for table portable routers and other automatic routers as well as handheld. Ensures precise and smooth roundover cuts, allowing for flawless finishing touches on your woodwork. An essential tool for carpenters and DIY enthusiasts. Smooth Cutting: Due to the roundover router bit high-tech special grinding process, good blade strength, high hardness, so smooth cutting with very little run-out. This round over edge forming router bit is excellent for producing smooth, uniformly rounded edges. Great for edging, beading or molding. APPLICATION: The roundover router bits suitable for cutting diverse composition materials, such as solid wood, hardwood, softwood, MDF, particle board, plywood compact panel and Acrylic. Additionally, please avoid cutting non-wood materials, especially metal material. For use on table mount and handheld router. Widely used: This roundover router bit is precision-engineered, making it perfect for both beginners and professionals. It provides clean, precise edging for a wide range of woodworking projects, including cabinet corners, guitar bodies, door thresholds, handrail caps, picture frame moldings, desk legs, countertops, and more. Round over bead bits create clean rounded profile edges with an added bead above and below the round over profile adding a classic and sleek look to any edging application.