The tungsten carbide burrs set with a 1/4 shank contains a diverse array of shapes. Included are 10 PCS 1/4" shank carbide burr bits, a ten-slot inner plastic clamshell box, an outer plastic buckle hook clamshell box, a ten-slot beech holder, and a manual. They are very sharp, aggressive, tough, well-balanced, and durable, making them perfect for tight spaces compared to grinding discs and flap wheels. They are versatile and can be used for metal, hard steel, wood, stone, plastic carving, cutting, deburring, engraving, grinding, milling, polishing, and porting, among other tasks. The 1/4 inch (6.35mm) shank is compatible with various brands and types of rotary tools, making it suitable for material removal. However, it is not compatible with 6mm collect rotary tools. The burrs offer comfortable, easy control with reduced vibrations and less noise, resulting in a very clean cut with minimal effort. A detailed manual is provided, which is not often offered by other sellers. The quality of the burr becomes apparent when used properly.