Features: 【For connecting】Crocodile clips are frequently used in school physics laboratories to quickly and cheaply assemble circuits. They are useful for connecting components to wires. 【Can be used as miniature clamp】Can be used as miniature clamps to hold parts together for gluing and wires together for soldering.Can be used in electrical or laboratory electric testing work, as a connector to connect battery and wire. 【Safer and convenient 】Mainly used in circuit, car and battery projects; for electrical engineers and DIY enthusiasts, it will be a better wise choice.With a thick insulating protective cover; it will be safer and more convenient to use. 【 Flame retardant】Mental clamps are made of iron material, good electrical conductivity.Sleeves are made of high quality plastic, high grade flame retardant, eco-friendly. 【Safe use】The color of the plastic helps you to identify positive and negative charge. With thickened red/black insulated jacket to help prevent shock danger when working with electronics. Specifications: Material:Contact material: iron Color:Red,black Size(about): left lenght:24mm/0.94inch;right lenght:28mm/1.1inch End with sheath: clamp Application: Electrician Wire gauge: 1 Package Included: 20pcs x Metal Crocodile Clip Note: 1. Due to the light and screen difference, the items color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.