Review on Gengxin Alligator Electrical Copper Plated Crocodile by Muleme Bollinger

I bought a set of these clamps to solve a problem with a Gooloo booster that had a broken clamp. This clip has riveted swivel joints and fully encloses the handle and clip area. It allows you to attach a very thick wire to it. You can't see it in the photos but it's wide open. The spring is good and the copper contact area is strong. There is no wire between the terminals. Current flows between them due to the contact between the two halves. I am very happy with this clip set.