1、Sharp pin with small diameter makes it ideal for piercing the insulation of small gauge wires. 2、It is recoverable. if the pin gets damaged or useless, just pull out the old pin and install the new one. 3、The probe has a banana plug for use in combination with the oscilloscope. 4、Comes with 20 replacement pins, convenient to replace the damaged or useless one. 5、They can also work as pin-tip probes for small circuit boards. Features: 1. Sharp pin with small diameter makes it ideal for piercing the insulation of small gauge wires. 2. It is recoverable. if the pin gets damaged or useless, just pull out the old pin and install the new one. 4. Comes with 20 replacement pins, convenient to replace the damaged or useless one. 5. They can also work as pin-tip probes for small circuit boards. Specification: Condition: 100% brand new Probe Casing Color: Red, Black, Yellow, Green, Blue Probe Total Length: 65mm/2.56in Pin Length: 28mm/1.10in Weight: Approx. 35g/1.2oz Package list: 5 * Complete Probes 20 * Replacement Pins Note: 1. Due to the difference between monitors and light effect, the pictures may not reflect  the actual color of the item. 2. Please allow slight error due to manual measurement. Thanks for your understanding.