1、Made of high quality material, durable and sturdy, having long service time. 2、Easy and convenient to use and operate, practical accessory. 3、Double-headed triangular drilling needle for pearl punching machine. 4、6pcs included the package with different sizes, meeting your different demands. 5、Special designed for pearl drilling, not suitable for high hardness material like agate and crystal. Features: 1. Made of high quality material, durable and sturdy, having long service time. 2. Easy and convenient to use and operate, practical accessory. 3. Double-headed triangular drilling needle for pearl punching machine. 4. 6pcs included the package with different sizes, meeting your different demands. 5. Special designed for pearl drilling, not suitable for high hardness material like agate and crystal. Specifications: Condition: 100% Brand New Material: Tungsten steel Color: As Pictures Show Needle Size: 0.8mm/ 1.0mm/ 1.2mm/ 1.5mm/ 1.8mm/ 2.0mm Length: Approx. 50mm / 2in Package List: 6 * Drilling Needle Note: 1. Do not drill too hard, especially at first contact. 2. The stitching length is generally about 1.5-2 cm (exposed part), otherwise it is easy to break. 3. Never drill the same bead for too long. Otherwise the beads are prone to heat and cracking 4. Install the needle and turn on the machine to see whether the needle is straight. 5. The needle belongs to consumable parts.5 to 10 pieces of common size are needed. 6. Ttungsten steel needle is not suitable for agate, crystal and other high hardness material drilling.