General description These MUMU 6pcs 1/4" 6mm Steel Router Bits are designed for versatile use on various materials including metal, plastic, wood, and stone. They are ideal for carving, grinding, and deburring, making them suitable for both professional and DIY projects. Technical specifications Shaft diameter: 6mm round shaft Shaft length: 30mm Blade length: 25mm Usage Carving resin, plastic, porcelain, soft metal, and stone Grinding and polishing wood and jade Other information High-quality workmanship ensures high precision in processing various mold cavities Easy to use, safe, and reliable, reducing labor intensity and improving the working environment