This Carving/Engraving Accessory is a 3/8" High-Speed Cutter Bit by Dremel. FEATURES: A high-quality, versatile cutter made from high-grade steel. Ideal for shaping, hollowing, grooving, slotting, inlaying, and making tapered holes in soft metals, plastics and woods. Specially designed for slots. Repair furniture, create a decorative sign, engrave your valuables. INCLUDES: One High-Speed Cutter REQUIRES: Dremel Rotary Tool SPECS: Diameter: 3/8" (9.5mm) Shank: 1/8" (3.2mm) COMMENTS: This bit uses a 1/8" collet. kr11/9/01 ir/kh