I purchased these to help me capture and hand feed crickets/locusts etc to my Leo's when I first got them. They are great as the Leo's were able to easily see the food on offer and my fingers were well out of the way. I now used them to extract the dusting powers from their containers ready to dust the foods too. I just dip em and squeeze em to get just the right amount of power per application. Then tap them in the dusting container prior to putting in the insects. No waste, no mess, no fuss.
I was abit doubtful about buying plastic tongs as all the plastic tongs i've had before have snapped so i usually stick to metal ones but these are great, you can get a good grip without worry about them breaking.
Useful, although obsolete now we have the cricket keeper