Lead  # 18 AWG, 300 Volt isulated wire, Nickel-plated steeel clips; vinyl plastic boots.

EH-1683 Standard Alligator Clip, Red, 1 ft. 

EH-1684 Standard Alligator Clip, Black, 1ft

EH-1685 Standard Alligator Clip, Red, 3 ft

EH-1687 Standard Alligator Clip, Red, 5 ft

EH-1690 Standard Alligator Clip, Black, 5 ft