The alligator clip sheath clip is a multifunctional test tool, available in three sizes: large, medium, and small. It is suitable for power supply testing, wire connection, and jumper testing scenarios. The clip is made of highly elastic metal material to ensure a firm grip, and the sheath design enhances safety to prevent short circuits and electric shocks. It is widely used in electronic maintenance, laboratory testing, and circuit debugging, and is a practical tool for engineers and technicians.