Rotacraft 30 Piece HSS Mini Drill Bit Set includes a variety of differently sized drills to fit all mini rotary tools! All accessories are high speed steel to achieve precise and accurate results when in use.Rotary tool accessories to fit all mini rotary toolsKit Includes: 5×0.50mm diameter, 5×0.60mm diameter, 5×0.80mm diameter, 3×1.00mm diameter, 2×1.20mm diameter, 2×1.50mm diameter, 2×1.80mm diameter, 2×2.00mm diameter, 2×2.35mm diameter, 2×3.00mm diameter Rotacraft HSS Mini Drill Bit Set 30 Pack