Perfect Compatibility: Each carbide bit features a universal 3/32 inch shank (2.35mm) that is compatible with a wide range of rotary tools. Whether using a for , a generic electric rotary tool, or a pneumatic power tool, these bits smooth operation and precise results. Premium Material: Crafted from superior steel, these engraving router bits boast exceptional hardness and durability. Their robust construction ensures excellent strength and toughness, making them perfect for intricate carving tasks. Ease of Use: Designed with user convenience in mind, these bits integrate seamlessly with most rotary and grinding tools. The simplicity of attachment allows both amateurs and professionals to achieve high-quality results in various materials. Versatile Shapes: This set includes six distinct cutter shapes, enabling artists and craftsmen to tackle a plethora of carving and engraving projects. Each bit is meticulously designed to meet different demands, from detailed to robust carving. Wide Applications: Optimized for detailed work on materials like metal, jewelry, wood, walnut, and much more. They are especially recommended for items like olive cores, beads, , wood, bone, and delicate inlaid works, providing versatility across numerous and craft projects., Weight: 0.02755778275 Pounds, Manufacturer: Reeatel