Originally Posted by dyna rider

I had some of the same type mechanical fingers as in your picture....The fingers were so weak that it would grab something but couldn't hold on to it. My solution was to get a pair of Snap On mechanical fingers. I had those things in my tool box for 20 years and they are absolutely the best I've ever used.

http://buy1.snapon.com/catalog/item_...ges/GA265A.jpg