With 10mm keyed chuck, high quality gears High quality carbon steel material with ABS handle Fine cast iron double gears No electricity needed, easy and safe to use Suitable for wood, bamboo, soft iron, copper, aluminum, plastic, PVC, acrylic, fiberboard, circuit board, etc. Product Description Size Name: 1.5-10mm Hand Drill Features: - High quality ABS handle - Fine cast iron double gears - No electricity needed - Easy to use - Suitable for wood, bamboo, soft iron, copper, aluminum, plastic, PVC, acrylic, fiberboard, printed circuit board, etc. Specifications: Main Material: 45# Steel, with ABS Handle Chuck Size: 1.5-10mm (3/8"-24unf) Product Dimension: 310*82*70mm The size of a 0.1-0.3 inch size difference is due to manual measurement within the normal range. The color may differ slightly due to lights, screens, etc.