Stainless --- Surgical Steel All our Alligator Clips are 300 series Stainless Steel.  We can manufacture them from other materials according to your specifications.  All clips can be supplied with wire attached and your choice of connectors on the opposite end -- custom or off the shelf.  Connectors can be soldered, crimped and can have molded strain relief done by Lakewood according to your print. Test Clip    Mini Clip    Large Clip    Large Clip Insulator    Custom Clip    Small Clip Insulator