mothers day gifts Feature:1. HOLD MOST SHANK TOOLS: The chuck can hold most shank tools, such as drill bits, for drilling, polishing and grinding2. NON SLIP TEXTURE DESIGN: The chuck adopts non slip texture design, which can be easily tightened by hand, very stable3. WEAR RESISTANT AND DURABLE: Made of high quality brass material, wear resistant and durable for a long service life4. 0.5‑3.0MM CLAMPING RANGE: Miniature electric grinder chuck support clamping range from 0.5‑3.0mm, very practical5. FOR MINI ELECTRIC DRILLS GRINDERS：Central shaft brass 4 jaws chuck is suitable for mini electric drills, electric grinders, etc.Specification:Item Type: Miniature Electric Grinder ChuckProduct Material: BrassClamping Range: Approx. 0.5 ~ 3.0mm / 0.02 ~ 0.12inApplication Scope: Mini electric drill, electric grinder, etc. Package List:1 x Chuck5 x Collet1 x Hex Wrench