Portable, Hand Crank Drill, Mini, Manual, Drill, Double Pinions, Wood, Plastic Features: With double pinions drive system, it can be used smoothly and improve your work efficiency. Made of high quality steel with advanced technics, long service life. The chuck of hand crank drill is adjustable which ensures you can install drills of different sizes. Mainly used for gear and shaft sleeve and other tight parts of the removal and deformation of parts correction. Perfect for wood, bamboo, soft thin metal, plastic, PVC, acrylic, glass fiberboard, circuit board and more. Specification: Material: Steel Weight: Approx. 683g~732g / 24.1oz~25.8oz Chuck size: 1/4", 3/8" (Optional) Clamping range: 1/4: 0.6-6mm, 3/8: 1.5-10mm Package List: 1 * Hand Drill 1 * Wrench 1 * Drill Chuck Note: Please allow slight error due to manual measurement. Thanks for your understanding..wang-edit-text{ font-family:'Arial' !important; }.wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; }.wang-edit-text table td,.wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; }.wang-edit-text table th { text-align: center; }Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1、With double pinions drive system, it can be used smoothly and improve your work efficiency. 2、Made of high quality steel with advanced technics, long service life. 3、The chuck of hand crank drill is adjustable which ensures you can install drills of different sizes. 4、Mainly used for gear and shaft sleeve and other tight parts of the removal and deformation of parts correction. 5、Perfect for wood, bamboo, soft thin metal, plastic, PVC, acrylic, glass fiberboard, circuit board and more.