drill bit set

Hello everyone, This isn't a strictly arborist thing, but I like this forum. I found these things in my mother's shed. Looks pretty old. Any thoughts about how to use them and whether or not they are worth putting to use would be appreciated. Obviously, the rust may have made them fairly...

Brand New, Never Used, Not a Single Bit has been used! I'm a Milwaukee Tool kinda guy so yellow is not my brand. Has been sitting on the shelf in my shop for months. Need the space, want to get rid of it. Also posted locally on Craig's. Payment will be taken through PayPal or USPS Money Order...