These Alligator Clips Are Used In Certain Electrical Applications. This Bag Of 24 Clips Have Black PVC Wrapped Around All The Way To The Tips. The Color Of The PVC Helps You To Identify Positive And Negative Charge It Is Universally Accepted That Red Will Be The Positive, And Black Will Be The Negative Side..

* 24 Pieces Of #4 Size Alligator Clips With Tiny Teeth For Gripping-2 Inches long

* Black PVC wrapped up to the tip to help prevent shock danger when working with electronics

* Used by electronic experts everywhere to work with electrical circuitry

The black is generally accepted as the universal color for the negative charge

This bag of 24 pieces is excellent for the professional handyman or electronics technician