The small diameter sharp pins are great for piercing the insulation of small gauge wires. Comes with 20 replacement pins for easy replacement of damaged or useless pins. They can also be used as needle tip probes for small circuit boards. It is recoverable. If a pin is damaged or useless, simply pull out the old pin and install a new one. This probe has a banana plug for use with an oscilloscope. This probe set is used to pierce the insulation of wires for automotive electrical measurements without damaging the wires. It has a banana plug for use with an oscilloscope. A perfect car diagnostics, testing and repair kit. Weight:.35g/1.2oz Colour:As Shown Material:Metal+Plastic Size:Total probe length:65mm/2.56in; Pin Length:37mm/1.45in Package Contents: 5 * Probe Tips 20 * Replacement Needles Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.