Description: Double pinion hand drill, reliable and flexible operation Hollow handle, for storing spare drill chuck (3/8" Chuck) 3 jaws keyless chuck, for 1.5mm-10mm drill bits Suitable for drilling wood, bamboo, soft and thin metal sheet, plastic, PVC, acrylic, glass mat, circuit board, etc. No power supply required, rotate speed and drilling hole position controlled by hand, unfit for hard metal, tile, masonry, and concrete. Specification: Material: 45# Steel Overall Dimension: Approx. 310x82x70mm/ 12.20x3.23x2.76 inch Package Includes: 1 Piece of Portable Hand Drill Kit