CESS Alligator Crocodile Spring Clips Test Terminal Clamps - Length 2" /50mm (jcx) (20 Pack) Electrical Testing. Repair broken leads on test equipment and chargers, Make your own low-voltage jump leads. Alligator Clip Length: Approx 44mm. Ideal for use in stereo applications or with battery/ power terminals. Great for using on test leads. Color: Black & Red