ITEM NAME:Mini Micro Aluminum Hand Drill Drilling With Keyless Chuck +10 Twist Drills G7E9 Mini Micro Aluminum Hand Drill Drilling With Keyless Chuck +10 Twist Drills G7E9 Manual drill, also known as a manual drill hole, hand twist drills, reamers and other, non-power tools, require manual operation. Material:aluminum Size:120mm(L) 15mm(D) clamping shank diameter from 0.1-3.5mm. Include: 0.6mm x2, 0.8mmx2, 1.0mmx2, 1.5mmx2, 2.0 mmx2, Drill x1 Color:Silver This product is aluminum,more durable than brass. Precise and durable,not afford to drill,not slip. Scope:timber,diamond,Pu Tizi,bones,horns,amber,olive,walnut,plastic and other materials drilling. Package include: 1x Drill 10x Bits