DescriptionAre you looking for a professional, yet affordable grinding chuck? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further! Our professional grinding chuck must meet you needs. It is one of the best choices for you.Features- Color: Golden. - Material: Copper. - Size: About 9.5x7x2cm/3.74x2.75x0.78 inch. - Adopting material, durable to use. - You can choice the collet as you need. - Suitable for installation drill, electric grinding, etc. - Copper collets to fit rotary tools, pin vises. - Can be use for for punching ABS board, light wood board, cardboard, etc.