Descriptions: Insulation alligator clip, opening up to 6mm. Can holding all kinds of wire, alligator clip on tooth part is ABS plastic, part of the lower teeth is nickel plated brass conductors, the tail is 4 mm socket, can only be inserted to 4mm banana plug and cannot be welded. Note: 1. Do not apply higher than the above mentioned safety category. 2. Inspect whether any damages occured before using. Do not use the damaged leads. 3. soft cloth and mild detergent should be used to clean the testing probe. Do not soak it in liquid. Specifications: Body Material: Nickel Plated Brass Insulator Material: ABS Color: Black, Red Rated Voltage/Current: AC 30-60V/Max. 19A Max Opening: 6mm/0.24" Length: 50mm/1.97" Interface Diameter: 4mm/0.16" Quantity: 2 Pcs/1 Set Note: 1. Transition: 1cm=10mm=0.39inch 2. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! No Retail Package Package Contents: 2 x Alligator Clip