They can be used as pin-tip probes while working with small The fine tip can slide past weather pack seals to probe connectors 2mm standard female banana seats at the end, you can connect most of and diagnostic devices Its small diameter, pin makes it perfect for piercing the insulation on small gauge wire As acupunctures probes, they are used for piercing the insulation of wire to allow for automotive electrical measurements without causing damage to wire, Manufacturer: Oxxggkao