Features: brand new and high quality ● It is made of alloy steel, which has the characteristics of high conception, no drill. ● Three-petal precision chuck: more stable, high in mind, drill bit is not easy to slip ● Sliding handle design: simple operation, not easy to drop ● Light and small, easy to operate ● Suitable for ivory fruit, bodhi root, wax, olive nuclear, wooden bracelet, etc. ● It does not fit steel, iron, stone, so hard things. Specifications: Material:High-speed Steel Color ：Black Twist diamond model: 0.3mm 0.35mm 0.4mm 0.45mm 0.5mm 0.55mm 0.6mm 0.65mm 0.7mm 0.75mm 0.8mm 0.0mm 0.2mm 1.3mm 1.4mm 1.5mm 1.6mm Manual Drill Size:Approx. 9x1.4cm / 3.54x0.55inch Package Types：1：Hand Drill / 2: Hand Drill with 20PCS Drill Bits Package Includes: 1PC x Manual Drill （20PCS Drill Bits for Optional） note: 1.Please allow 1-2mm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.