26pcs Set: A mini ndle and 25pcs drill bits in different sizes can meet your different needs, including 0.5mm/0.6mm/1.0mm/1.2mm/1.5mm/1.8mm/2.0mm/2.35mm High Quality: The nd drill is made of black aluminum alloy with non-slip ndle, while the 25pcs drill bit is made of high speed steel to ensure tt this drill is ready for all the hobbies and precision work you can throw at it, and ndle your precision constructions. Adjustable nd Drill: 3 rdened steel collets with claw, can be equipped with different sizes of drill bits, including 0.3mm-3.4mm drill bits diameter. The tension wire (internal thread) fits perfectly with the underlying metal and remains stable. The metal material makes it durable for long-term use. After many times, the drill bit will not slip or fall off. Versatile nd Drill: The nd drill set can be used to drill wood, resin, jewelry, nuts, horns, bones, olives, amber, beeswax, acrylic beads, plastic, PVC and many other home improvement projects tt require precision drilling. Note: The adjustable swivel clamp is a nd tool, so it can not be used with rd materials such as steel, iron, stone, etc. Package includes: 1 x nd Drill 25 x Aluminum Cordless Micro Twist Drill Bits Tips: The nd drill is a nd tool, not a power tool. Do not touch steel, iron, stone, glass or similar rd material. Depending on the surface of the material, it may be helpful to mark a spot where you want to drill.