★【Small Electric Drill Bit】2.35mm hand drill with 5pcs 1.0-3.0mm mini drill chuck set is made of copper with excellent workmanship.★【Convenient】Copper miniature drill chuck, and drill mix to form a hand drill, easy to use and replace.★【Use with】Can be used with a hand drill or electric drill.★【Main function】The collets can go with twist drill as a mini hand drll for ABS board, aluminium shet, light wood board, paperboard drilling.★【Buy with Confidence】We offer "TWO YEAR" warranty on item(s) that confirm to be manufacturer defect.We'll respond within 24 hours on weekdays.(Please clamp the shaft in right place and necessary protective measures in woodworking processing.)