10 PCS Fully Insulated Alligator Clips, 30A Safety Test Alligator Clip with Banana Socket Crocodile Clips 4mm Banana Plug Connectors Test Clamp Wire Clip for Car Electrical Testing (Red, Black)

["10-Piece Color Set: Includes 10 fully insulated crocodile clips (5 red, 5 black) for easy polarity identification. This battery connection clip set suits various electrical engineering tasks.","55mm Jumper Clip: Test alligator clip length: 55mm with 15mm maximum opening. This 30A electrical test clip offers reliable conductivity for various applications.","4mm Banana Jack: Fully insulated crocodile clips feature 4mm socket banana jacks for flexible pairing with standard plugs. These ignition wire clamps are plug-and-play ready.","Strong Built-In Spring: Strong internal spring provides better grip and enhanced conductivity. The fully insulated PVC sheath on these jumper clamps ensures safe, reliable operation.","Wide Voltage Use: Compatible with 4mm standard banana plugs for voltage testers and battery fast connections. These small test clips are perfect for workshop and lab use."]