Function: 1. 2. Durable to use and long service life. 3. It can be used in electrical or laboratory electrical tests. 4. Often used in school physics laboratories for quick and cheap circuit folding. Useful for connecting components to wires. 5. Easy to install and safe to use with covered plastic insulation shoes. Specification: Characteristics: 1. 2. Durable to use and long service life. 3. It can be used in electrical or laboratory tests. 4. Often used in school physics laboratories for quick and cheap circuit folding. Useful for connecting components to wires. 5. Easy to install and safe to use with covered plastic insulation shoes. Specification: Model: P1040 Material: copper Color: Red, Black Input Resistance: 50 Weight: approx. 75 g / 2,6 oz Total length: approx. 104,5 cm/41,1 inch Clip length: approx. 6 cm / 2,4 inch Lead Diameter: 4mm/0,2 inch Lead length: approx. 5 cm / 2,0 inches List of packages: 2 * Test Cables