40-Piece 0.3-1.6 mm Mini Drill Bit Set, Drill Bits Small Shank Twist Drill, High Speed Steel Boards Tiny Drill Bits

OverviewMaterial of the product: the small drill bits are made of HSS high speed steel reliable solid and durable and will not be damaged easily after long-term use.
Scope of application: small drill bits fit well for woodworking drilling electronic product maintenance household repair can drill boards plastic products circuit boards and so on.
Warm reminder: please do not drill for hard metal materials and check the size information before purchasing.