1、MAIN PURPOSE: Corner round bit set, 4 flute design, specifically for creating flush decorative circular edges, with high milling efficiency. 2、APPLICABLE WOOD: The router bit is suitable for all types of wood, such as MDF, particle board, hardwood, cork wood, dense plywood, etc. 3、CARBIDE MATERIAL: These edging router bits are made of excellent carbide, with high hardness, wear resistance, and impact resistance. 4、1/4 INCH SHANK: These router bits have universal 1/4in shank, which is compatible with most milling machines, convenient and practical. 5、SAFE OPERATION: The router bit has an anti kickback design, which limits the chip thickness of the cut material and ensures safe operation.