Jewelry Hand Drill Manual Crank Tool with 1.5mm-9mm Precision Chuck for Wood Plastic Acrylic & Circuit Board Punching

【Material】Made of Cast Steel which is Heavy duty and Long Life. Thickened high-strength ABS engineering plastic handle, which can also store spare drill chuck. 【Chuck Accept Drill Range】1.5mm-9mm 【Easy To Operation】Double-pinion design ensures a smooth and flexible operation without no stuck. 2 gears make the job more sturdier and efficient. 【Easy Installation】The installation of the chuck and bits involves only acts of twist and screw. A cleverly designed chuck key is provided to help you elegantly rotate the upper part of the chuck to change bits. 【Wide Application】Perfect for drilling in wood, bamboo, soft thin metal, copper, aluminum, plastic, PVC, acrylic, glass fiberboard, circuit board. Note: Not suitable for drilling hard metal material, tiles, diamonds, concrete.